Question about 2003 Yamaha WR 450 F

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Ideal problem I have a raptor 660, The problem is one minute it ideas fine then in a second she ideal real high. I checked the throttle cable and its fine. Please help what sould look for.

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Look mate it will be the carby check ya jets in ya carbt give it a good clean tune it up useing ya ideler screw and ya should be rite if ya have any more problems feel free to give me a ring 0439 306 607

Posted on Feb 27, 2009


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I just did a rebuild kit on my 2005 raptor 660 Runs way better and idles smoother but wants to die out off the start in first. But once you get going runs good. Any help

Hi, Anonymous and the usual suspects are:
1. Throttle cables misaligned or misrouted (may also affect idle speed).
2. Damaged or restricted fuel tank venting system.
3. Inlet system air leak.
4. Vacuum piston malfunction.
5. Accelerator pump leaking or no output.
6. Plugged bowl vent.
7. Fuel level in bowl too low.
8. Restricted fuel supply passages.
9. Plugged jets or passages.
10. Worn or damaged needle or needle jet.
12. The enricher valve not seated or leaking.
For more information about your issue please visit the websites below. Good luck and have a nice day.
DOWNLOAD 2005 Raptor 660

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look for a vacuum leak, if you have a check engine light it will probably point to the Idle Air Control, or possible the throttle position sensor.

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2001 raptor 660 won't idle, only runs with choke on, an won't take throttle???

need your carb rebuilt or your carb readjusted. sounds like you might have some mud in it. do you take it in the mud? if so check the top where the throttle cable comes through.

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660 raptor negative battery cable frame end

Hi, Railrides1 doesn't matter anywhere it will reach just make sure the connection is clean and tight and use an external or internal tooth washer in between the cable and frame for more information about your issue and free downloads that you will need please visit the websites below. Good luck and have a nice day.
660 raptor negative battery cable frame end location Google Search
Free Cagiva Motorcycle Service Manuals for download

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1 Answer

My raptor 660 dies when its idling

check your valve clearing, and clean ur carberator if you have one. Otherwise it may be electrical or fuel injectors are going bad

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1 Answer

My 2003 660 raptor will not start

You have probably checked spark by now. if you haven't do so. also check your ignition box.

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My raptor 660 had a flat battery so i used jump leads and jumped it from my car, it started fine and i left it running for about 20 minutes and there was no problems but all of a suddeen it just went dead...

Check the fuses. Get a new battery and get a 2amp trickle charger and charge the battery for 6 hours. NEVER charge a bike battery with more than a two amp charger. Pray that the CDI ignition is not shot.

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