Hello,
Is it possible to lose enough compression through the valve cover/breather area of an Hs50 to make the engine not start? I can hear air hissing out from that area when I pull it over, and the engine has spark, and is timed correctly. Valves are opening at the correct times, points break open at the correct times.
Wonder if the breather is clogged
Freshly built engine and flywheel key is not sheared. There is a slight groove in it on one aside though. Will not fire over even with starting fluid. Only thing I can think of is a compression leak. I have a new head gasket coming because I thought the head was warped, but it’s not. Deck also seems flat, not warped as checked with a straightedge. Gasket is suspect though as it is really old and I got it used.
I built another Hs50 using the same methods and that bike starts first pull and runs great.
Any suggestions? I’m stumped. I thought for sure the flywheel key would be sheared but it is still in one piece.
Thanks and have a good day
Is it possible to lose enough compression through the valve cover/breather area of an Hs50 to make the engine not start? I can hear air hissing out from that area when I pull it over, and the engine has spark, and is timed correctly. Valves are opening at the correct times, points break open at the correct times.
Wonder if the breather is clogged
Freshly built engine and flywheel key is not sheared. There is a slight groove in it on one aside though. Will not fire over even with starting fluid. Only thing I can think of is a compression leak. I have a new head gasket coming because I thought the head was warped, but it’s not. Deck also seems flat, not warped as checked with a straightedge. Gasket is suspect though as it is really old and I got it used.
I built another Hs50 using the same methods and that bike starts first pull and runs great.
Any suggestions? I’m stumped. I thought for sure the flywheel key would be sheared but it is still in one piece.
Thanks and have a good day