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General Category >> Rubber Side Down! >> Sputters and starts bucking then dies
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Message started by Phil239 on 11/02/15 at 09:51:23

Title: Sputters and starts bucking then dies
Post by Phil239 on 11/02/15 at 09:51:23

So about a month ago I purchased a 2002 savage with 10,000 miles. Bike was not running at the time so I rebuilt the carb drained the airbox changed the fluids and put a new air filter in. Ran good until yesterday now it'll start but if I try to ride as soon as I give it some gas it starts to sputter and buck and after maybe 2 minutes it just shuts off and won't start again for awhile a few hours is what I've been waiting between starts. Any ideas on what is wrong and how to fix it woul be a godsend this I my only source of transportation and I can't afford to go to a mechanic

Title: Re: Sputters and starts bucking then dies
Post by hotprops on 11/02/15 at 10:04:05

sounds like fuel issue look first at petcock .than nedel valve in carb and its little filter . do you still have oem petcock? see the dead shadow post

Title: Re: Sputters and starts bucking then dies
Post by Phil239 on 11/02/15 at 11:03:21

My vac line was cracked but I already cut off the offendings ends and reattached and yes I still have the oem pecock I heard vac pecoxk are unreliable before so I'll order the raptor that seems very popular here. Will let you knw how it goes once it comes in

Title: Re: Sputters and starts bucking then dies
Post by Dave on 11/02/15 at 11:30:20

And please order the correct Yamaha part.......99% of them on eBay are Chinese copies.

If you don't see the white box with the Yamaha part number (5LP-24500-01)....it is not the real deal.

http://www.ebay.com/itm/NEW-2001-2005-OEM-YAMAHA-RAPTOR-660-FUEL-PETCOCK-5LP-24500-01-660R-/200590318612?hash=item2eb41d5c14:m:mAwhJc2Sp5cgls4rwZu7IRg&vxp=mtr

Title: Re: Sputters and starts bucking then dies
Post by hotprops on 11/02/15 at 11:50:42

ron ayres is the best place to order as he always has 10 in stock and has the best price .i used him as members here recomended him to me

Title: Re: Sputters and starts bucking then dies
Post by Phil239 on 11/02/15 at 13:19:47

Got it thanks for the help you guys fingers crossed

Title: Re: Sputters and starts bucking then dies
Post by Phil239 on 11/05/15 at 15:26:10

Raptor came in today got it installed started the bike and boom fired right up, reved it hard in idle several times and runs good but as soon as I put her into gear after about 1/4 throttle she began to sputter and after a few blocks died again. Am I gona have to pull apart the carb or does somebody knw of any other possibilities that could be causin the problem? :-/

Title: Re: Sputters and starts bucking then dies
Post by DesertRat on 11/05/15 at 16:19:39

possibly a stuck float, you may have to clean or rebuild the carb. it's NOT hard, just check out the tech section for very detailed steps.

Title: Re: Sputters and starts bucking then dies
Post by Phil239 on 11/05/15 at 17:55:24

I hope so Guess I knw how I'm spending my afternoon tomorrow, will update after the clean

Title: Re: Sputters and starts bucking then dies
Post by DesertRat on 11/05/15 at 18:07:58

to me it sounds like either a stuck float or a plugged up jet somewhere

you mentioned this bike is very low miles, if you didn't REPLACE rubber parts during your initial carb rebuild, I would suggest that you do.

The needle valve assembly has a black rubber pointy tip that should be sorta soft, not misshapen in any way or mashed looking, that's a bad thing.

http://thumbs.ebaystatic.com/d/l225/pict/191652884383_1.jpg

clean every orifice and jet with carb cleaner, go slow, be methodical, it's not a race.

Title: Re: Sputters and starts bucking then dies
Post by justin_o_guy2 on 11/06/15 at 03:57:12

Spray Berrymans B-12 through every tiny hole. And there's no such thing as too much ventilation, keep it off your skill n and OUTTA your eyes.
If I can't take the project outside, I open doors, set the fan , get air, squirt, go out, breathe, but I am very sensitive to chemicals, pesticides, and other things, But, I didn't start out like that, so, keep the exposures to a minimum, don't
I can take it.
I'm tough.
protect yourself, because you don't need poor health for the last thirty years of your life.

Title: Re: Sputters and starts bucking then dies
Post by Phil239 on 11/07/15 at 10:40:39

Finished the carb clean and replaced the spark plug while I had the tank off bike fires up mush faster now but I'm still gettin some surging and a lil bit of black smoke coming out of the exhaust. I checked my air filter and noticed the papers very dark and oil stained? Could that cause this type of issue?

Title: Re: Sputters and starts bucking then dies
Post by Art Webb on 11/07/15 at 10:51:41

yes

Title: Re: Sputters and starts bucking then dies
Post by Phil239 on 11/07/15 at 15:30:16

Took of the dirty air filter and rode around for a few miles and it ran perfect no problems whatsoever so looks like getting anew air filter is all I need to do to all of you who helped me out diagnosing and figuring out the solution to this thank you so much really appreciate it! ;D

Title: Re: Sputters and starts bucking then dies
Post by DesertRat on 11/07/15 at 16:19:32

you're welcome

Title: Re: Sputters and starts bucking then dies
Post by Art Webb on 11/10/15 at 19:13:05

Glad to help. more glad you got her runnung

Title: Re: Sputters and starts bucking then dies
Post by justin_o_guy2 on 11/11/15 at 07:08:01

Early on in the post, you reported replacing the filter. I know you had some problems, but I'm just not getting exactly what happened that messed up that filter. Maybe you don't, either, but someone around here probably has a clue.