trialssomerset Posted August 29, 2021 Report Share Posted August 29, 2021 (edited) Hi everyone I'm new to this forum,so I purchased a sherco 2005 290 3 years ago and over the 3 years have been trying to get to the bottom of the running problem which is its starts when cold and runs fine and sounds great until it warms up and sounds like its running out of fuel and idles uneven ,action taken so far. 1. replaced piston and rings and had bore checked all good. £160 2. replaced main seal on flywheel side £20 3. purchased new carb £130 4. purchased new cdi unit £250 5 Had stator coils checked and had a pick up problem rectified £155 5.replaced ait filter and spark plug. im really at the end of the road but can't give up as I really would like my old dad to see me on it again. Edited August 29, 2021 by trialssomerset Quote Link to comment Share on other sites More sharing options...
feetupfun Posted August 29, 2021 Report Share Posted August 29, 2021 (edited) You didn't mention checking for: Fuel tank venting issue Fuel tap filter flow restricted Fuel hose kink Fuel hose filter restricted Fan not running Fan running too slowly Radiator airflow restricted Leaking connector carby to cylinder Air screw/idle fuel screw set incorrectly Exhaust flow restricted Is it the Sherco model with the fuel lift pump? Edited August 29, 2021 by feetupfun Quote Link to comment Share on other sites More sharing options...
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