The graves motorsports universal exup eliminator is a simple plugandplay application that allows the removal of the exup valve and motor without causing the check engine light to be activated when using a full racing exhaust. Did you notice any difference in low or mid range power. Buy servo buddy yamaha fi light exhaust valve servo exup eliminator. Note that haynes and yamaha manuals both state that copper grease is fine. Servo buddy yamaha fi light exhaust valve servo exup eliminator. A forum community dedicated to yamaha yzf r6 motorcycle owners and enthusiasts. When the bike is turned on the exup valved will be mostly closed until you rev the bike. Disconnecting the exup system yamaha workshop yamaha. When you purchased your bike, they probably offered you the optional service. The exup valve, is a variable restictor in the exhaust system looks a bit like the thames barrier, take your silencer if and look down tha pipe with a torch you should be able to see it. The yamaha engineers have spent extensive research and money on the exup valve and exhaust system. Feb 11, 20 slinky glide develop exup and set cables posted on february 11, 20 by wemoto the first fourstroke power valve device appeared on the yamaha fzr exup exhaust ultimate power valve, constantly adjusting the internal diameter of the exhaust system to match the engine speed. Slinky glide develop exup and set cables the wemoto weblog.
Exhaust butterfly valve adjusment kawasaki zx10r forum. Furthers the weight savings after exup removal and allows for a cleaner appearance. Graves motorsports exup servo eliminator yamaha r1 r1m. It appears that software on your computer is blocking javascript. How to exup valve repair triumph daytona 675 2006 2012 duration. A forum community dedicated to all motorcycle owners and enthusiasts. Take a look at the best exup maintenance site out there. This is a system that employs a variable exup valve in the muffler that can change the configuration of the exhaust duct in a way that controls fluctuations in.
The information presented here reflects solely my personal experience with my motorcycle and. So, if its on a liter bike, leave it alone, on a 600, if you install a header and block off the emmissions, it will move your power band even higher into the upper rpm range. Shop revzilla for your bazzaz exup servo eliminator yamaha r6 r1 fz1 vmax today. This will give you access to the exup cables so they. Show full signature i cannot undertake to lay my finger. When you remove the exup, you need to leave the servo motor so that the engine light doesnt come on. By removing the moving vane that opens and closes at specific revs,the engine no long has this restriction in the collector to reflect back to the engine to help with scavenging. From mike greatorex, a regular contributor to the fz1oa forum, comes this procedure for maintaining the exup valve.
Hi all, my r1 has a big stuttery hole in the power delivery, but is fine once you get high up in the revs. Jan 20, 2007 hi, sorry if this is a question that has been asked a thousand times. This ensures good low to midrange performance for a linear power output all the way to the rev limiter. So, i am reading february bike magazine and they are talking like you should grease your exup valve diligently since its repairs are costly. What does an exup servo and subsequently exup eliminator plug. Later versions from honda went by the names honda titanium exhaust valve htev and honda variable intakeexhaust hvix, appearing on the cbr600rr and honda cbr929rr. Disconnecting yamaha exup valve to fit race exhaust.
Exup valve maintenance the exhaust ultimate power valve exup alters the back pressure in the exhaust system at various revs. If you have swapped your exhaust then chances are you have already eliminated the exup servo. However, i have replaced the mild steel link pipe with a 2004 titanium link pipe and deactivated the exup valve. Bike in the mechanics and they informed me that the exup valve on the bike is bent so thats why it hasnt been working properly.
All items2017 yamaha raider blackstock motorsports. Its been suggested to me that this is probably due to a jammed exup valve. Over 6 million views on youtube and facebook duration. Exup valve maintenance the exhaust ultimate power valve exup alters the. Now the fi warning indicator has come on and the red light stays on. The reason i am asking is, there is no mention about greasing exup valve in shop manual or owners manual. Exups alternate adjustment procedure yamaha 4 stroke. Would you recommend removing the exup valve for a slipon or would it be better to keep the stock can. Pinned exup exhaust ultimate powervalve information. The exhaust ultimate power valve exup alters the back pressure in the exhaust system at various revs. As a matter of fact they refer to 19982000 r1 but an exup valve is an exup valve, right. It first appeared on the yamaha fzr exup and was later. Normal used part, can be installed without problems.
It is controlled by the ignition module via a servo motor and two cables. The self diagnostic system on my 04 plate fazer is telling me that there is a problem with the exup valve. Yamaha fzr fzr genesis 1987 1988 service repair 19891995 yamaha fzr genesis exup, fzr service manual repair manuals and owners manual, ultimate set pdf download. How to adjust your apex exuppower valve yamaha ty4stroke. Exhaust ultimate power valve exup a variable valve system that eliminates valleys in the torque development curve in 4stroke engines. On my last yamaha, the valve was stuck and ticking due to bad bushing, i replaced the bushings and freed up the valve and the bike rode much. The exup is just an exhaust noise management device that yamaha has. On my last yamaha, the valve was stuck and ticking due to bad bushing, i replaced the bushings and freed up the valve and the bike rode much better. Should a guy check this adjustment wether youve changed anything or. In the crash, both of the cables for the exup valve were damaged. The exhaust valve exup cables control the valve which varies. The ecu should adjust the exup over the course of riding. The exup servo is responsible for closing a valve in your exhaust to create a known amount of backpressure in the exhaust system to allow the engine to work in the way it was designed. Yamaha use the exup valve so they can have a highly tuned top end yet with the exup valve they can change the exhaust characteristics so as to not lose any bottom or mid range.
Jun 19, 2006 yamaha use the exup valve so they can have a highly tuned top end yet with the exup valve they can change the exhaust characteristics so as to not lose any bottom or mid range. Many highly tuned 4stroke engines with fourintoone exhaust systems have a flat spot in the midrange, precisely where the sporting rider needs instantaneous. If youre talking about the 06, whatever little midrange you have will be almost nonexitstent, a full pipe will increase peak power, but at the sacrifice of midrange because i know of no aftermarket full pipes that include a power valve such as exup. I replaced the exup on both of my r1s 5jj carbs and 5pw injection with race hindle headers, the 5jj gave more power through out the rev range 73 torque and 2 bhp with exup to 79 torque and 144 bhp with hindle headers and about 1 hour dyno time, i havnt dynoed the 5pw yet, i think if you want to remove the exup i would fit either race headers or wire it open, i know its a fazer not an r1. Feb 21, 2014 note of where the actual exup valve is located with reference to the exhaust ports in the closed or idle adjustment alignment position.
With continual improvement since the first adoption on the 87 model fzr400r, the latest version is used on the yzfr1. If you need the bracket adjusted, you can check page 271 and 272 for the correct cable routing and page 319 for the adjustment. Pinned exup exhaust ultimate powervalve information and maintenance. Remove the exup cables from the pulley and rotate it to the max open position identified earlier by aligning the pulley dimple up or max open position exactly with the boss. Later versions from honda went by the names honda titanium exhaust valve htev and honda variable intakeexhaust hvix,1 appearing on the cbr600rr and honda. It consists of a gate valve in the exup housing, the cast exhaust section immediately behind the headers and below the engine. Thanks for the vid, the exup servo operates as it should on startup, however, the valve servo doesnt start to move untill 4. That is why i am recommending if your exup adjustment is questionable. Anybody got rid of the exup valve and lived to tell the tale. May 21, 2017 4c8 exup valve 2007 yamaha r1 johns good life. Used and new motorcycle exup valve parts for yamaha r1 search results for motorblok incl elektronica, electronics, exup valve page 1. I checked 3 fuel injection xjrs in my city and each of them has nonworking exup valve.
Exup valve working fine, removed it for routine maintenance put it all back together again with a little copperease and wallop the bloody thing wont move jammed solid so rinse and repeat same story the valve seems to work fine right up until i tighten the bolts itll turn then stick as if its bent or off centre somehow. Exup and later, suzuki set valves are controlled with exhaust valve push and pull cables, which until now were only available from the original equipment. Selfdiagnostic turns valve from fully open to fully close correctly, but it doesnt move on neutral or other gears in different speeds or rpm. The graves motorsports universal exup eliminator is a simple plugandplay application that allows the removal of the exup valve and motor without causing the check engine light to.
Jun 19, 2006 the exup valve, is a variable restictor in the exhaust system looks a bit like the thames barrier, take your silencer if and look down tha pipe with a torch you should be able to see it. May 21, 2011 thanks for the vid, the exup servo operates as it should on startup, however, the valve servo doesnt start to move untill 4. Graves motorsports universal exup eliminator is a simple plugandplay application that allows the removal of the exup valve and motor without setting the check engine light being activated when using a full racing exhaust. Feb 25, 2012 exup s on 600s vary from their liter versions, disconnecting the exup system on a 600 wont throw a code, but it will on the liters. Pinned exup exhaust ultimate powervalve information and. Yamaha was the first to develop such a system, called the exhaust ultimate power valve exup. My guess is you would see little difference in midrange with the exup removed and fuel adjusted accordingly, although your sled would be louder at idlelow speed. Show full signature chris 2004 bmw r1100s previous rides.
What does an exup servo and subsequently exup eliminator. Your experience with valve trains should agree with that. Exup was there to deaden the sound at a predetermined rpm 7k where the government tested sound, hence the 7k flat spot bikes. Exup valve yamaha r1 20022003 201223044 motorparts.
This ensures good low to midrange performance for a linear power output all the way to. Graves motorsports exup servo eliminator yamaha r1 r1m r6. Complete list of yamaha fzr motorcycle service repair manuals. Come join the discussion about performance, troubleshooting, maintenance, modifications, classifieds, and more. This site is not affiliated in any way with the yamaha motor corporation. Thats what i did, no engine light, bike runs great. May 03, 2009 the self diagnostic system on my 04 plate fazer is telling me that there is a problem with the exup valve. Mar 01, 2014 exup was there to deaden the sound at a predetermined rpm 7k where the government tested sound, hence the 7k flat spot bikes. Note of where the actual exup valve is located with reference to the exhaust ports in the closed or idle adjustment alignment position. Exup exhaust ultimate power valve a device fitted to selected yamaha motorcycles fzr,yzf,xv1900,r series that constantly adjusts the internal diameter of the exhaust system to suit engine revs. Exhaust ultimate power valve exup yamaha parts free.
The reason yamaha is rejecting your request is legitimate. Has anybody here removed their exup from their yamaha. If you want, remove the butterfly valve inside the stock exhaust too. I put in the time to match, collect, and confirm that this ultimate shop manual set, is correct for your 19891995 yamaha fzr genesis exup, fzr motorcycle. Remove the exup cables from the pulley and rotate it to the max open position identified earlier by aligning the. The 19891995 yamaha fzr genesis exup, fzr service manual service manual is guaranteed to match your specific motorcycles model and year. Parkway yamaha, authorized yamaha dealer in collingwood on. Exups alternate adjustment procedure yamaha ty4stroke. The information presented here reflects solely my personal experience with my motorcycle and is presented for entertainment purposes only. Oh, and my velocity stacks should be here today or tomorrow.
Exup valve eliminator post by kearly1cat sat oct 14, 2017 12. Simple plugandplay application allows the removal of the exup valve and motor without the check engine light being activated when using a full racing exhaust. Nov 22, 20 exup valve working fine, removed it for routine maintenance put it all back together again with a little copperease and wallop the bloody thing wont move jammed solid so rinse and repeat same story the valve seems to work fine right up until i tighten the bolts itll turn then stick as if its bent or off centre somehow. The first fourstroke power valve device appeared on the yamaha fzr exup exhaust ultimate power valve, constantly adjusting the internal diameter of the exhaust system to match the engine speed. All they say is how to keep cables adjusted which is simple and easy. Simcoe countys largest yamaha dealer, providing trusted sales and service since 19792020 yamaha yzfr6. R1 exup valve adjustement pnw riders the motorcycle. Bazzaz exup servo eliminator yamaha r6 r1 fz1 vmax. The powervalve exhaust ultimate powervalve is set into the primary length of the exhaust in order to help boost power throughout the rev range using long duration camshafts. It first appeared on the yamaha fzr exup and was later used on many other yamahas. This should help those new to adjusting the exup valve, great job. Exups on 600s vary from their liter versions, disconnecting the exup system on a 600 wont throw a code, but it will on the liters. Graves motorsports exup servo eliminator yamaha r1 r1m r6 fz1 vmax wr250. Exup valve maintenance fazer owners club tapatalk.
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