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Gas distribution mechanism of 4-stroke motorcycle engine includes: crankshaft gear, cam chain, cam gear, camshaft, trigger, valve and cam chain tensioner. In the content of the lesson, the gas distribution mechanism of a motorcycle engine belongs to the valve-suspension type and is mainly located in the cylinder.
The process of removing and installing the gas distribution mechanism of 4-stroke motorcycle engines: Applicable to 4-stroke motorcycle engines, popular motorcycles such as Dream, Wave 100cc...
Disassembly: Includes 7 main steps (You must remove the spark plug from the cylinder before doing it)
Step 1: Remove the cylinder from the motorcycle engine (According to its own process).
Step 2: Remove the valve cover.
Step 3: Remove the cover of the trigger shaft (the cover on the right side of the cylinder).
Step 4: Remove the trigger shaft.
Step 5: Take the trigger, brake plate, camshaft out
Step 6: Remove the valve stopper (brake nail)
Step 7: Take the stopper, spring, valve out.
Mounting: Opposite of disassembly
Note: Valve installation location
Mounting direction of brake foundation
Thread direction of the trigger shaft is facing out
Direction and mounting position of brake plate (if any)