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Old 06-30-2013, 01:54 PM   #36316
HardWorkingDog
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Location: Walnut Crick, Cal.
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Quote:
Originally Posted by AdvRich View Post
Perhpas the fuel line got partially compressed or kinked on the reinstall causing not enough fuel delivery for full throttle and possibly a lean enough condition at speed to overheat...?
Quote:
Originally Posted by BlueLghtning View Post
I know it isn't anything you even touched this time, but could just be a fluke it happened after all this work... Although logically, it does make sense to probably be something you just did, but other than a pinched fuel line, I'm not sure.
Thanks, I levitated the fuel tank last night, didn't see anything obviously pinched or kinked or loose, though I pushed the vacuum line a bit further away from some hard parts between the tee and the line going to the pump. It does come close to the seat pan so I was very careful putting the seat back in, using a 100 lumen headlamp (!) to peer in there but again looked OK. Went on a night ride, warmed it up gently then blasted up a freeway onramp and it ran perfectly. 75 mph no problem, even with 13/50 and a D606.

Again, took it out for a 65 mile ride this morning and everything was just fine.



No way to tell at this point. I'm leaning towards skierd's theory of crud on the plug, or possibly the fuel pump needed to burp from being stood on it's head while I worked on the bike.

Or gremlins just having a little fun with me...
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Old 06-30-2013, 02:03 PM   #36317
bhpaok
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Quote:
Originally Posted by what broke now View Post
If you have good skill mechanically and are able to be creative if necessary, the Felco ebay pump or one from California Cycle Works may work for you. Both companies deal in quality goods.
I would confirm dimensions with them by email before purchase.
The Yamaha pump-pickup-regulator assembly was not designed to be taken apart, but it can be done if one is careful and patient.
Probably next month I will try to fix my Fuel Pump, so if I fix it I'll let you know ....
I will spend 40$ for the felco fuel pump and if it doesn't work, then I will buy a Yamaha Fuel Pump..
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Old 07-01-2013, 07:10 PM   #36318
Quantis
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I hereby submit my question to the collective wisdom of the megathread...

I have an '09 WR250x. I recently changed the oil and filter using Kawasaki S4 Synthetic 10W-40 oil like to this



Since that I have ridden ~ 1000km over the past weekend. All easy on secondary roads through NY and VT.

Now I'm finding that my clutch is occasionally super grabby. I'm used to the usual grabbiness but this is ridiculous and I've accidentally launched myself through intersections. The strange part is that this only happens 1 in 10 starts.

Also, I occasionally hear some noise/vibration from the engine when letting out the clutch but when I hear the noise is not when the clutch is grabby.

Any ideas? Change the oil brand? Run some sort of engine flush? Replace clutch plates?

Thanks for your feedback!
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Quantis screwed with this post 07-01-2013 at 07:16 PM
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Old 07-01-2013, 07:31 PM   #36319
Reposado1800
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Quote:
Originally Posted by Quantis View Post
I hereby submit my question to the collective wisdom of the megathread...

I have an '09 WR250x. I recently changed the oil and filter using Kawasaki S4 Synthetic 10W-40 oil like to this



Since that I have ridden ~ 1000km over the past weekend. All easy on secondary roads through NY and VT.

Now I'm finding that my clutch is occasionally super grabby. I'm used to the usual grabbiness but this is ridiculous and I've accidentally launched myself through intersections. The strange part is that this only happens 1 in 10 starts.

Also, I occasionally hear some noise/vibration from the engine when letting out the clutch but when I hear the noise is not when the clutch is grabby.

Any ideas? Change the oil brand? Run some sort of engine flush? Replace clutch plates?

Thanks for your feedback!
Adjust your clutch cable.
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Old 07-01-2013, 07:47 PM   #36320
Quantis
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Quote:
Originally Posted by Reposado1800 View Post
Adjust your clutch cable.
I checked it. Little to no slack. Still doesn't explain why it's only grabby occasionally.
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Old 07-01-2013, 08:34 PM   #36321
TwilightZone
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>"I have an '09 WR250x. I recently changed the oil and filter using Kawasaki S4 Synthetic 10W-40 oil like to this"

Well, the easy thing is change the oil.
I'd try the the non-synthetic Rotella and see what happens.
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Old 07-01-2013, 08:42 PM   #36322
bash3r
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Quote:
Originally Posted by Quantis View Post
I checked it. Little to no slack. Still doesn't explain why it's only grabby occasionally.
Same thing happened to me and HighFive asked if I had changed the oil recently and to a different brand.. I said "YEP".. after changing the oil again back to what I had used before.. the problems went away.. I'm using Rotella T 15W40 and now clutch is smooooth!!

I've used SuperTech and had no issues, Rotella T no issues.. but when I used a Castrol oil rated for wet clutch.. the WRR did NOT like it!

Also.. I too.. thought it was my clutch cable slack/adjustment was out of wack.. but it was all related to the oil...
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Old 07-01-2013, 10:13 PM   #36323
hamish99
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Location: DFW TX
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Headlight replacement

Baja Designs has a replacement lens for $44.95
http://www.bajadesigns.com/products/...cle-headlights
I've replaced my headlight a couple of times with this one due to rocks, wrecks....

Bill T.

Quote:
Originally Posted by AKoffroader View Post
Hello fellow WR riders. I got hit with a rock in the headlight that broke the lens.

Just wondering if anyone out there went to an aftermarket headlight and might have a stock headlight they would be willing to sell.

Yamaha only sells is as an assembly and wants too much for it.

Thank you,

Greg
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Old 07-01-2013, 10:20 PM   #36324
Sean-0
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I recommend once you get a new light you do this


Perspex Thick it will take a large hit and survive ..I use Velcro dots to stick it on and it stays there no problems
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Old 07-01-2013, 11:15 PM   #36325
BygDaddee
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Is anyone else thinking Sean-O is having more fun farkling and modifying that bike than Zac

Quote:
Originally Posted by Sean-0 View Post

Perspex Thick it will take a large hit and survive ..I use Velcro dots to stick it on and it stays there no problems
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Old 07-02-2013, 12:36 AM   #36326
Jäger
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Old 07-02-2013, 01:38 AM   #36327
Reeksy
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Quote:
Originally Posted by Sean-0 View Post
registration sticker we need here for rd use
Mine lasted one ride in that position and the casing got smashed, then I stuck it on the fork.
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Old 07-02-2013, 05:27 AM   #36328
cjbiker
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+1 more on the Rotella T 15w40. It makes my WR shift smooth as butter and gives it great clutch action. Mobil 1 10w40 synthetic motorcycle oil worked well too, but not as nice as the Rotella. Valvoline 10w40 motorcycle oil was terrible, notchy shifting and a grabby clutch.
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Old 07-02-2013, 05:29 AM   #36329
Quantis
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Thanks for all the oil recommendations. I'll Grab some Rotella-T and give that a try.
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Old 07-02-2013, 06:09 AM   #36330
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