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

Oct 26, 2015 | Better Motorcycles

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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
https://www.oemmotorparts.com/oem2.asp?M=Cagiva
http://www.cagiva.nl/media/owner_manuals/?tx_motomondo_pi4%5Bmodel%5D=&tx_motomondo_pi4%5Byear%5D=-1&tx_motomondo_pi4%5Bmanual%5D=

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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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2 Answers

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Check air filter, fuel filter and carb jets...
Check exhaust for obstructions and your plug wires.

Oct 13, 2009 | Yamaha XT 660 R Motorcycles

1 Answer

Back fireing 660 raptor


when its hot and humid you could be having a ignition coil or cable problem.check cables and replace plugs, then take it from there. have your ignition coil tested also. backfiring is a sure sign of an ignition problem

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3 Answers

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.

Jun 13, 2009 | 2004 Yamaha XT 660 R

3 Answers

Hi I have problem with my raptor 660 2004.il runs well as I slowed my gas it my ***** and he has no power I change its spaplug did not change, is it that his can - etres the coil?


if it idles fine but when you give it gas you say you have no power? then you have a problem with your intake and exhaust valves.they need to be set.I have a 2003 660 raptor and it was doing the same thing and that fixed it.

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