Nimbus crankshaft..trouble

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Nimbus crankshaft
  1. Lars Nielsen
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Комментарии
Автор

This is not a crankshaft or con rod problem, this seems to be pistons or rings that are too tight in tolerance compared to the bore. Of course it is hard to tell how hard the gentleman is pilling on the flywheel, but when the pistons are all at the top and bottom they should have a bit more play. This is a quick fix, but first we need to know if the engine was recently bored to another size, had new sleeves installed, and was the rings checked for proper gab, 0, 3 mm to max 0.8 mm. I am not an expert on Nimbus but I own 5 and have restored well over 25 engines. You are welcome to contact me at www.nimbusclubusa.com good luck.

thyboron
Автор

Olie er en god ting, den lyder meget tør, hvis den går meget trægt  når stemplerne er helt i top kan det være fordi der er en slidkant i foringen som den øverste stempelring går på.

ludvigchristensen