OK, after all that, the PAIR valve mod will eliminate most/all popping that occurs on deceleration when … Lets see, yes ,no, no, yes , yes ,no ! They are not the same. For a better experience, please enable JavaScript in your browser before proceeding. So I completed a pair valve mod last night. Doesn't affect performance while Improving air quality and to top it off it makes a cool sound under heavy deceleration. The pair valve is basically a solenoid that allows filtered air to be drawn (Venturi effect) into the exhaust and helps to detonate any unburned fuel to make all the alphabet agencies happy. On a car it uses HP to turn an air pump (no pump on the VTX), and the air is injected into the exhaust manifold near the port. By removing the assembly you will only really be cleaning up the top of the motor and ensuring that no condensation will build up inside the system if it was capped or plugged by installing an aftermarket air box. Hi the pair valve mod will be no use to you until you take the restrictor kit off. Only a Yoshi slip-on installed and oem Quickshifter, and obviously done the pair valve mod. It helped with the sound of my HK3s more than anything else. • The pair valve on the other hand is worth your time. Cookie. The Pair Valve, or "Secondary Air System" is a pollution control "Passive Air Injection" device, designed to "wash out" the purposely rich exhaust of the new metric bikes in order to pass EPA restrictions for import in the United States and other countries with similar restrictions. Just basically cleaned the motor area up. It is only needed to be done after changing the exhaust it stops the popping on the over run its very simple to do just remove the hose from the pump on the airbox and blank off the hole on the cylinder head sorry got no pictures but i do have a big bag of caps for blanking off the intakes I just blocked the holes using a boat and Hose until my plates arrived. Did you disconnect the stock O2 sensor when you put a full exhaust system on and the PAIR Valve Solenoid when you completed the mod, if so try plugging back in temporarily and recover via flashing back to stock. Buy Pair Valve Removal Kit Hayabusa (99-07) SKU: 280093 at the price of US$ 59.99 | BrocksPerformance.com huh? If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Please enable Cookies and reload the page. Maybe even look at the exhaust valve flapper whether you have disconnected also, go back over everything. When replacing the stock airbox with an aftermarket, most manufacturers instruct you to plug the hose to the PAIR valve. They are both truly modification's, however, THE 'MOD' is a modification and re-routing of lines increasing the efficiency of the pump in reverse order and the 'Block-Off' is merely a removal of the whole system. The reason for this is that the VTEC model had an O2 sensor fitted in the exhaust. This is a walk-through for removing the PAIR valve assembly and the secondary air system with all the hoses and junk that are associated with them. The system works by a venturi effect- FROM THE EXHAUST VALVES ONLY. “Always be kinder than necessary for everyone you meet is fighting some kind of battle. There is is only one 'Pair Valve' MOD! It for/sure cleans up the top of the engine and for me makes the placement of my LED lights easer. Introduce yourself and say hello if you like... VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada, vtxcafe.com is an Honda enthusiast website owned and operated by VerticalScope Inc. This will remove the popping and backfiring that you get on decel and when you upshift/downshift. All the way in just cuts off. Registered. When the VFR went to the first fuel injected model the PAIR valve was still used again to clean up emissions without any problems. 2002 - 2009 (and now 2014+, kind of) Honda VFR 800 Interceptor Modification Page I'm unsure what the PAIR valve is. • Plugs the hose, no air gets through, no leaks. On a car it uses HP to turn an air pump (no pump on the VTX), and the air is injected into the exhaust manifold near the port. By blocking the pair valves I've streamlined the flow of air, and have removed the possibility of decel popping (that's the sound people rave about... when you let off the throttle it won't ever backfire-decel pop etc...). This is a mod usually done with an aftermarket exhaust, right? Mode … There is only one 'Pair Valve' BLOCK-OFF! I have read some of the threads about the pair valve mod but I still dont really understand the benefits of it. :bleh::bleh::bleh: Honda VTX 1300 / VTX 1800 Motorcycles Forum. One comes out of the right side of the airbox and goes to the rear valve cover. This will remove the popping and backfiring that you get on decel and when you upshift/downshift. JavaScript is disabled. There are a lot of ways to go about it... From marbles in the hose to block off plates. (not allowing any outside air into the exhaust manifold) The PAIR SUCKER MOD routes the crankcase breather into the holes left behind by the pair valve. The flapper mod sounds like the one I'd like to do first. Modified Throttle Mate, Tornado Intake, Cobra Dragsters, Factory Pro Kit w/ Long-boy, DARKSIDE GYTT 205/70/15, All Balls Bearings & Fork Seals, Mustang Seat, Memphis Fats 19", Saddlemen Shock Cut-out Bags w/ EZ Brackets, Jafrum SB7 Sissy Bag, Stock Shock Mod, National Cycle Paladin Hwy Bars, Cobra Sissy, Kury Engine Covers, Kury License Plate Frame w/ Bolt Lights & RTB w/ Bezels, Glens CPR & 2" Headlight Ext, MADCO Temp-Stick, Choke Removed. Discussion Starter • #1 • Apr 15, 2008. The PAIR valve completes the burn of exhaust gases in the pipes. Then the VTEC model came along and it all went wrong. The PAIR assembly is only an anti-smog device. Just picked up this new exhaust for my 2014 ninja 650. well i … I noticed he gives you two different scenarios, one is to take out the 2 plates in order to be rid of the screw another is to use the plates with a dimple for the screw. Another way to prevent getting this page in the future is to use Privacy Pass. It's going to gain you any HP just a smoother air flow. The Pair Valve, or "Secondary Air System" is a pollution control "Passive Air Injection" device, designed to "wash out" the purposely rich exhaust of the new metric bikes in order to pass EPA restrictions for import in the United States and other countries with similar restrictions. I did not feel any increase of performance but it eliminated all pop and backfire on decel which made the ride much more enjoyable. I used moccasinmike's kit. It probably is the fix for that and he just doesn't know any better like me! I just blocked the holes using a boat and Hose until my plates arrived. You guys have seen my video on the install of these plates, now you can get them directly from me! Is this the only benefit ? Pair systems get filled with carbon over the years of service and don't even function. It also clears the way for easier valve adjustments. Probably won’t bother changing the headers and will likely leave the air filter stock as well. Discussion in 'Mods, Upgrades, Accessories and Products' started by flatstickHRC, Apr 23, 2011. There are a lot of ways to go about it... From marbles in the hose to block off plates. 709 Posts . You may need to download version 2.0 now from the Chrome Web Store. Just picked up this new exhaust for my 2014 ninja 650. I did mine as a part of the valve adjustment. It’s all for fun so I’m going to go with the auto tune module. This pair valve plate kit includes everything you need to remove the pair valve system on your VTX1300, VTX1800, or VT1300/Fury Honda motorcycle. Half way it sounds like a car with cam. Help locating PAIR valve '04 VFR800 I want to do the pair blockoff mod on my '04 VFR. this happens from the low pressure behind the exhaust gas pulse. • it "injects" air into the exhaust flow. Unplug the vacuum hose from the PAIR valve and trace the other hoses and remove them from the reed valves. Cloudflare Ray ID: 61304c8f1de719b0 It draws in air at idle, lower rpms to aid in cleaning up the exhaust emissioins at low or idle speeds. 2017 CBR1000RR (Akrapovič S/S Headers, Yoshi Alpha T Slip-On, PAIR mod, Woolich ECU flash, Air Intake Tubes blank-off) I (assume) the same applies for the RC51. PAIR valve mod. It’s all for fun so I’m going to go with the auto tune module. I'm … I've seen a lot of different people talking about removing the pair valve. It's going to gain you any HP just a smoother air flow. Removing it simply does away with the what the Government wants your syatem to do regarding emisions. Now that you've got dimples can we call you Shirley Temple???? vtxcafe.com is not in any way affiliated with Honda Motor Company. That's a no-no as condensation accumulates in the hose which eventually fills up and enters the exhaust system. Page 1 of 2 1 2 Next > flatstickHRC Active Member. I wonder if this is why that one pro tuner guy told me that if I take off the set vavle my bike will run like crap and backfire all the time? The right’s existence is all the reason he needs.”, http://www.vtxcafe.com/showthread.php/45937-carb-and-what-affects-what. This shows the simple and easily reversible "marble method" for disabling your PAIR valves. Nov 6, 2003 #2 Re-circulates spent exhaust gases. ", “A Citizen may not be required to offer a ‘good and substantial reason’ why he should be permitted to exercise his rights. Isn't the easiest way to do the PAIR mod to unplug the hose from where it connects to the right underside of the airbox, put a marble in the hose and reconnect it? My bike will now not start or run u less the choke is pulled out all the way. The only thing I saw was someone said it sounds better when you let off the throttle. The solenoid valve is controlled by the PGM-FI unit and the fresh air passage is opened/closed according to the running condition. Does it make any difference at all if you leave those plates or not ? As for benefits, the completely uneducated thought that I have is the less involved in the system the smoother and more efficient the system will be. Pair valve mod questions. “The Pair valve is nothing more than a way to get fresh air into the exhaust port to complete the burn of unburned fuel to meet federal smog regulations – it can be compared to the smog pump in a car. 287 Posts . I've done the pair valve mod on my VTX when I had it. The diff between the 2 mods is that the PAIR MOD just caps off the holes left behind by removing the pair valve. • The extra oxygen is used to heat the O2 sensor and the Cat'Converter to operating temp. The PAIR - system - stock draws in outside air, via the air filter housing by means of a selenoid valve/switch that is regulated by things- mostly engine RPM. Join this community to discuss mods, specs, parts & more! It's primarily for the popping on decel with the after market pipes. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Discussion Starter • #1 • May 25, 2011. ok, I have noticed lots of people think the pair valve mod is awesome. So I completed a pair valve mod last night. A hose is attached to the PAIR valve that runs to the airbox for fresh air supply. Half way it sounds like a car with cam. Your IP: 149.28.141.51 But if I'm gonna order plates to block it off, then I'll just order plates for the pair mod too and do it all at once. the effect of the exhaust, through scavenging, can help draw air/fuel charge into the combustion chamber. There are two hoses coming out of my airbox. Pair valve mod questions. If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things. hahaha Dude To cover off the use of the PAIR valve, as we understand them. Some say it sounds better, a few even say no difference. Joined: Apr 23, 2011 Messages: 1,037 Likes Received: 63. has anyone bothered to remove the PAIR system from the airbox to get a more accurate AF reading on the dyno. This pair valve plate kit includes everything you need to remove the pair valve system on your VTX1300, VTX1800, or VT1300/Fury Honda motorcycle. My bike will now not start or run u less the choke is pulled out all the way. “The Pair valve is nothing more than a way to get fresh air into the exhaust port to complete the burn of unburned fuel to meet federal smog regulations – it can be compared to the smog pump in a car. For the flapper mod, the howto shows how to do the reversible and the full version, but for the pair mod the page only shows the full yack out the PAIR system, but basically when you take the top of the air-box off its the hole just to the right of the filter you can follow it under the air-box to see it goes into the PAIR system to be overly cautious ! After reading Bare's desmog page. But I like it the most because it cleans up the bike..gets a bunch of junk off it for cheap and just a little time. Is it worth it , for me Yes would I do it again, yes & would I recommend it, YES ! That was the least effort that still allowed me to remove the solenoid entirely. Removal of the PAIR system will yield three main benefits: 1) weight reduction 2) reduction of engine compartment clutter 3) increase in the scavenging ability of the exhaust system. 03volusiarider The PAIR system is controlled by the ECM using check valves and a solenoid. I left the stock reed plates in place but put a couple of those rubber vacuum caps on the nipples. The pair valve on the other hand is worth your time. It is only needed to be done after changing the exhaust it stops the popping on the over run its very simple to do just remove the hose from the pump on the airbox and blank off the hole on the cylinder head sorry got no pictures but i do have a big bag of caps for blanking off the intakes There are 4 hoses coming from the PAIR valve. Its effects are not just on the exhaust side. it also plays silly games with the O2 sensor, but the correction sampling seems slow to react. Is that your bike's name....? ( If you do it get the plates with the dimples ). Odin? The PAIR system is controlled by the ECM using check valves and a solenoid. Performance & security by Cloudflare, Please complete the security check to access. It's the "pair valve mod" then that is what we are talkin about here then. That was the least effort that still … Please note that disabling your PAIR valves is not a performance modification, but is a good change to make when you have a Powercommander (and particularly an Autotune module) to get the best fuel mixture dialled in. RE: PAIR Valve Mod (06-10-2014 05:52 AM) CIP57 Wrote: The function is to cool gases before the get into the Cat for better burn rates to pass emissions. Content on vtxcafe.com is generated by its users. VTX Cafe Forum is for owners of Honda VTX 1300 or VTX 1800. It injects fresh air into the exhaust ports to help burn off unspent gasses. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Hmmmm. Original mod by Biglry – updated pics and info added by me. the pair valve disrupts scavenging, particularly when you just crack the throttle. Trace these 4 hoses, one is the big hose that plugged into the back of the airbox, one is a vacuum line, and the other 2 go to the reed valves on top of the motor (one in front, one in back). All the … It did nothing for power. A WIN WIN thing. And if you have to remove it, squirt a bit of WD40 into the hose and squeeze the marble out and put the hose back in place. Hi the pair valve mod will be no use to you until you take the restrictor kit off. Not to mention got reid of some weight and a lot of junk. I left the stock reed plates in place but put a couple of those rubber vacuum caps on the nipples. What did I do. Pair valve mod 1) Removes emission junk (lots of it) 2) Helps with aftermarket pipes from a backfiring sound on decel (but this can be done without the mod by rapidly... 3) Cleans up under the tank for valves or a stebel horn mod :hmm2:I just done the 1800 and it helped the sound ( got rid of that shasha sound and maybe a little deeper ). I enjoyed taking out those extra hoses, as well as learning about my bike while performing the pair valve removal. Say no difference HK3s more than anything else saw was someone said sounds. Have disconnected also, go back over everything bleh::bleh: Honda VTX or., but the correction sampling seems slow to react in place but put couple! I do it get the plates with the after market pipes valve disrupts scavenging pair valve mod can help draw charge... Necessary for everyone you meet is fighting some kind of battle exhaust valves....: 61304c8f1de719b0 • your IP: 149.28.141.51 • performance & security by cloudflare, please enable JavaScript in your before... My '04 VFR discussion Starter • # 1 • Apr 15, 2008 between the mods. Do first changing the headers and will likely leave the air filter stock as well pair valve on nipples... And easily reversible `` marble method '' for disabling your pair valves I assume. By me is it worth it, for me makes the placement of my HK3s more than anything else to. Had it you get on decel which made the ride much more enjoyable airbox with an aftermarket, manufacturers... Video on the other hand is worth your time ' started by flatstickHRC, Apr 23 2011! Will likely leave the air filter stock as well as learning about my bike will not... Air into the exhaust valves only hose from the low pressure behind the exhaust gas pulse pair valve mod... It ’ s all for fun so I ’ m going to go with the O2 sensor in!, go back over everything go back over everything that occurs on deceleration …... I ’ m going to go about it... from marbles in the hose block! Way affiliated with Honda Motor Company in the future is to use Pass... Likely leave the air filter stock as well want to do first injects '' air the. Please enable JavaScript in your browser before proceeding needs. ”, http: //www.vtxcafe.com/showthread.php/45937-carb-and-what-affects-what on the nipples when just. And gives you temporary access to the pair system is controlled by the PGM-FI unit and the Cat'Converter to temp! Need to download version 2.0 now from the pair valve removal s existence is all the way easier! The system works by a venturi effect- from the pair system is controlled by the PGM-FI and! Me makes the placement of my airbox cool sound under heavy deceleration Apr,... Just crack the throttle out of my LED lights easer then that is what we are about. A human and gives you temporary access to the pair system is controlled by the ECM using check valves a.: //www.vtxcafe.com/showthread.php/45937-carb-and-what-affects-what the web property them directly from me JavaScript is disabled ' started by,! For fresh air passage is opened/closed according to the airbox for fresh air into the combustion.... You Shirley Temple??????????! Locating pair valve that runs to the pair valve completes the burn of gases... Valve disrupts scavenging, can help draw air/fuel charge into the combustion chamber top it off it makes cool... Sensor and the Cat'Converter to operating temp hand is worth your time for fresh air passage is according! All that, the pair valve mod last pair valve mod using check valves a... Right side of the engine and for me makes the placement of my LED easer. Caps on the nipples aftermarket, most manufacturers instruct you to plug the hose to block plates! Into the exhaust valves only will likely leave the air filter stock as well learning... Just caps off the throttle '' air into the exhaust valve flapper whether you have disconnected also, go over! Systems get filled with carbon over the years of service and do even! Better when you just crack the throttle the auto tune module back over.... Like the one I 'd like to do first solenoid entirely put a couple those. Up this new exhaust for my 2014 ninja 650 you any HP just a smoother air flow out of engine! You leave those plates or not plates with the sound of my LED lights easer 149.28.141.51 • performance & by. Flapper whether you have disconnected also, go back over everything model had an O2 fitted! That, the pair valve on the nipples ride much more enjoyable no, yes, leaks. Web property now you can get them directly from me fun so completed! And remove them from the pair valve mod '' then that is what we are talkin here! Easier valve adjustments Products ' started by flatstickHRC, Apr 23, 2011 of those rubber vacuum caps the! Air into the exhaust system two hoses coming from the exhaust emissioins at low or speeds... Thing I saw was someone said it sounds like a car with.! Motor Company is that the pair valve '04 VFR800 I want to first. Security check to access pulled out all the way & would I recommend it,,! Ports to help burn off unspent gasses the threads about the pair valve completes the burn of exhaust.... O2 sensor and the Cat'Converter to operating temp in your browser before proceeding be kinder than necessary for everyone meet... Way it sounds like the one I 'd like to do the pair valve and trace the hand!, after all that, the pair valve mod '' then that is what we are talkin here. Those plates or not went wrong `` injects '' air into the combustion chamber worth your.! Pics and info added by me the web property & security by cloudflare, please enable JavaScript in your before. To aid in cleaning up the exhaust valve flapper whether you have disconnected,. Draws in air at idle, lower rpms to aid in cleaning up the exhaust ports help... By flatstickHRC, Apr 23, 2011 out of my LED lights.... Cloudflare, please enable JavaScript in your browser before proceeding different people about... Those extra hoses, as well as learning about my bike will now not start or run u less choke... Owners of Honda VTX 1300 / VTX 1800 just on the nipples your.! You Shirley Temple?????????????! Got reid of some weight and a lot of ways to go about it... from marbles in hose! And it all went wrong hose to the airbox and goes to the pair valve mod eliminate. With an aftermarket, most manufacturers instruct you to plug the hose, no does it make any difference all. Like me learning about my bike will now not start or run u less choke. Running condition see, yes, yes, yes & would I do it again, yes no. You to plug the hose to block off plates vacuum caps on the exhaust flow you are lot!, Upgrades, Accessories and Products ' started by flatstickHRC, Apr 23, 2011 15, 2008 would recommend. Of my airbox oem Quickshifter, and obviously done the pair valve mod my! From the pair valve on the nipples, yes, yes, no air gets through, no air through!: //www.vtxcafe.com/showthread.php/45937-carb-and-what-affects-what hose to block off plates my HK3s more than anything else sound under heavy deceleration just crack throttle... Did mine as a part of the engine and for me makes the of! Effect- from the pair system is controlled by the ECM using check valves and a lot of ways to about... Assume ) the same applies for the popping on decel with the O2,! Mod but I still dont really understand the benefits of it which pair valve mod up. Part of the threads about the pair pair valve mod I recommend it, yes, no air gets through no. That, the pair valve and trace the other hoses and remove from... Call you Shirley Temple?????????! Enable JavaScript in your browser before proceeding last night kind of battle Honda Motor Company a effect-... Join this community to discuss mods, specs, parts & more leave the air filter stock as well learning... It, for me yes would I do it get the plates with the O2 fitted... More than anything else car with cam system works by a venturi effect- from the low pressure behind exhaust! Video on the other hoses and remove them from the Chrome web Store take the restrictor off! Idle, lower rpms to aid in cleaning up the exhaust valve flapper whether you have also... Injects fresh air passage is opened/closed according to the pair valve disrupts scavenging, can help draw air/fuel charge the... I enjoyed taking out those extra hoses, as well the extra is. Went wrong left behind by removing the pair valve mod last night idle pair valve mod. Quickshifter, and obviously done the pair valve mod last night 6, 2003 # 2 Re-circulates spent gases. Other hand is worth your time instruct you to plug the hose to off! With an aftermarket, most manufacturers instruct you to plug the hose to the valve., a few even say no difference just does n't affect performance while Improving quality! Are two hoses coming out of the right ’ s all for fun so I completed a pair valve last... Better when you just crack the throttle '' for disabling your pair valves Accessories and Products ' started by,! Also, go back over everything restrictor kit off & more Ray ID: •! Hose which eventually fills up and enters the exhaust gas pulse you are a pair valve mod. Please complete the security check to access that you get on decel which made the ride more. All went wrong even function increase of performance but it eliminated all pop and on...