KYMCO Downtown 350i Repair Manual page 253

4.Engine
Downtown 350i
Remove the cam chain from the crankshaft and crankcase. Inspect the cam
chain for wear and damage. Replace the cam chain as needed.
There are 11 crankcase bolts.
Loosen the 11 crankcase bolts in a crisscross pattern with an 8 mm socket.
Remove the crankcase bolts from the left side of the engine.
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