sooty
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| posted on 6/10/08 at 08:31 PM |
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R1 carb needle removal ??
How do you remove the needles on Carbs from a 1998 Yamaha R1 YZFR (40mm chokes).
All I can see is the plastic bits on top of the jets in the dash pots, do you pull these out to release the needles.
Thanks
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Dingz
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| posted on 6/10/08 at 10:41 PM |
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If you mean looking down on the top of the diaphragm, down the throttle slide there is a plastic part with a flat, grip it with a pair of pliers, pull
and wiggle and the needle will come out with it.
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mediabloke
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| posted on 6/10/08 at 10:57 PM |
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quote:
Originally posted by Dingz
If you mean looking down on the top of the diaphragm, down the throttle slide there is a plastic part with a flat, grip it with a pair of pliers, pull
and wiggle and the needle will come out with it.
Definitely the preferred way, but I had a mare with mine until I discovered the Argos catalogue... They make a lovely firm but pressure-absorbing
surface to press down on.
Hold the slide face down, needle & slide perfectly vertical, press down GENTLY (unless you like scouring the workshop / garage for tiny springs,
washers and plastic bits) and the needle, spring, washer and retainer come out all together.
When you come to put it back together, just don't try too hard to straighten the needle retainer up with a pair of pliers / box spanner.
Strangely, those thin plastic fingers in the bottom of the slide get finer if you look at them the wrong way, and you find it's time to hand
over £38 to your local Yamaha dealer. Stop laughing, it's true...I was that idiot...
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