miniwing2 Posted August 26, 2017 Share Posted August 26, 2017 Just got timing setup got TDC then turned the flywheel anticlockwise 090 on the dial gauge set the leading edge of the coil 14mm ahead of the leading magnet with a scribe not a felt tip pen and when i pull it over its as if it is compressing twice ,i even doubled up on the base gasket thinking it could be that ,tried it with the plugcap off and gearbox off,no luck. Question could the magnet have any influence on this hard pull ,i welcome any thoughts ,i am considering letting Miniplane have a look at it I have run out things i can try. Quote Link to comment Share on other sites More sharing options...
cas_whitmore Posted August 26, 2017 Share Posted August 26, 2017 Plug cap off , or plug removed from head Quote Link to comment Share on other sites More sharing options...
miniwing2 Posted August 26, 2017 Author Share Posted August 26, 2017 Plug cap off Quote Link to comment Share on other sites More sharing options...
ask21 Posted February 24, 2018 Share Posted February 24, 2018 First of all i guess you poured some oil into the cylinder and piston. It is normal to have a nice compression after replacing piston and or cylinder. But: Did you get the right size piston? They are marked A, B, C... Piston bigger than the right size coul lead to the problem you explained. Quote Link to comment Share on other sites More sharing options...
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