Tal_siles Posted July 19, 2021 Report Share Posted July 19, 2021 Hello Need some help After top and bottom rebuildKick stert kick back almost every time, already broke kickstart pinion and engine want to start running backwards. When the engine start good it works ok. Plug: br7es, base gasket 1.3mm Thanks Quote Link to comment Share on other sites More sharing options...
reggie Posted July 19, 2021 Report Share Posted July 19, 2021 Ignition timing issue Quote Link to comment Share on other sites More sharing options...
Glayne Posted July 19, 2021 Report Share Posted July 19, 2021 I agree with reggie above, however the plug seems strange. I thought the pro's all used a 5 heat range plug. My 2012 uses a NGK BPR5ES. Quote Link to comment Share on other sites More sharing options...
richt Posted July 19, 2021 Report Share Posted July 19, 2021 Yep NGK BPR5ES is the correct plug Base gasket should be ok. Quote Link to comment Share on other sites More sharing options...
mcman56 Posted July 20, 2021 Report Share Posted July 20, 2021 Timing issue could be flywheel that was not located properly when installed after rebuild. Kick back is generally advanced timing. Quote Link to comment Share on other sites More sharing options...
d2w Posted July 25, 2021 Report Share Posted July 25, 2021 Reassembled without the Woodruff key (to ensure correct alignment of the flywheel on the crank, and thus the timing of the ignition)? Quote Link to comment Share on other sites More sharing options...
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