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Old 06-09-2002 | 11:50 PM
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limd
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From: Adelaide Australia
Default YS 61 R Problems
Hi I have a YS 61R bench mounted for running in. I am currently running a 12.5 x 8 prop and 20% castor . The engine is fitted with a tuned pipe.

I can only start the engine when I prime the carby. The needle valve is 2.5 times open . The engine fires up then stops. The throttle setting is on idle with full trim "on" . When I advance the throttle SLOWLY the engine dies. I have tried the needle valve in a variety of settings with no luck. The plug is an OS no8.

Any help would be appreciated. Thanks

Dave
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