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Chongqing Paize Motorcycle Parts Co.,Ltd
Add: No.7, Zhigang Avenue, Yangjiaping, Jiulongpo District, Chongqing, China
Tel: 86-23-68827583
Fax: 86-23-68827583
Ph: 86-15730223886
E-mail: cqpaize@163.com

Open-crank Engine

- Apr 12, 2018 -

Early engines were of the "open-crank " style ,that is ,there was no enclosed crankcase .The crankshaft ,connecting rod ,camshaft ,gears, governor,ect.were all completely exposed and could be  viewed in operation when the engine was running.This made for a messy environment ,as oil was thrown from the engine and could run on the ground.Another disadvantage was that dirt and dust could get on moving engine parts,causing excessive wear and possible malfunction of the engine.Frequent cleaning of the engine was required to keep it in normal working order.

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