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Old 12-14-2007, 11:26 PM   #1 (permalink)
wr250f95
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Starting a manual decompression Yamaha YZ/WR

This is the starting routine for any yz/wr built before the year 2003.
1. Turn fuel **** to the "ON" position, if motor is cold, pull choke out, if motor is hot, pull red hot start button out.
2. Pull in decompresion lever and gently push the kickstarter till you feel resistance on the compresion stroke of the piston, go until it feels like it kinda released and stopped, the starter should be somewhere inbetween 1/2 to 3/4 through its complete stroke.
3. Allow kick starter to return to orginal position, release decompresion lever.
4. Now kick it all the way through its stroke, the bike should start if bike is cold: allow bike to idle with choke on until rads are warm, at which point turn off the choke and ride! if bike is warm, push in the red hot start button and ride.
Okay, just thought I would throw out some random info on not commonly found items used in this.
The Red Button, leans out the fuel mixture to aid hot starting
the Choke, richens the mixture to aid in cold starting
the Decompresion lever opens a valve, allowing compression to escape thus making it easier to locate top dead center in the compresion stroke and easier to push the kickstarter through its stroke, hope this helps someone.
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