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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.
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  #1  
Old 20 Jan 2012
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xt600 tenere 86 wont start cant see why?

HI,iv,e tried all i know.going nuts.i tried different plugs the spark is purpilish.tried different coils,same spark.cleaned the carbs,getting petrol.tried different battries.put petrol down plughole,started few seconds,died.treid again,nothing.there,s no decompression cable,an awfull scrapeing sound trying to kick,have to use electrick start,no scrapeing.the wiring seems to be sound.i havent tried the cdi.could this be the problem?i dont want to be strpping this engine.i put plug on the engine put petrol over plug,didnt light.here,s hoping someone has a simple answer.all the best fitzy
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Old 20 Jan 2012
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Is the petrol old or fresh?
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Old 20 Jan 2012
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hi there as oothef says if the petrol is old its a no go situation, go get a gallon of fresh fuel and take it from there , good luck zigzag
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Old 20 Jan 2012
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When you say "different plugs" old ones or brand new ones?

With the plug out touching ground are you getting a decent spark?

Mezo.
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Old 21 Jan 2012
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As it started, albeit for only a short time, when you introduced petrol directly, I would look at fuelling. As has already been suggested, try fresh fuel to begin with and then check carb for blockages etc.

Good luck.
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Old 21 Jan 2012
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if you've had the carb off to clean its going to take a while for fuel to get through to the engine
make sure you have a fully charged battery,turn it over on the electric starter with no choke or throttle whilst squirting Easy start into the air intake
my 3yf would take forever to fire it it was left un-run for more than a week,and the above would have it going in no time
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Old 21 Jan 2012
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Hi if the fresh fuel doesn't work ,try a new plug if you leve the old plug in the cylinder and test the new one. This because some times a plug will spark when out of the cylinder but not when fitted due to slower cranking speeds.Check and clean all connection's on cdi, coils,switch ect had a similar fault on my klr turned out to this
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Old 21 Jan 2012
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have you tried overriding the sidestand and clutch switches if the bike has them?
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Old 22 Jan 2012
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Check Carb rubbers

Check your carby rubbers, spray a little petrol on the carb rubbers when trying to start, this will show up any de-lamination of the rubber.

Make sure you have a FIRE extinguisher just in case.

Chucky
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  #10  
Old 24 Jan 2012
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xt600

thanks for the advice it ends up coil wires wrong way.dont ask how.fitzy
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