Bennche Bighorn 400, Owner'S Manual, Page: 160 / 181

Periodic Maintenance and Adjustment 8-60
S/N Problems Solutions
5 Engine cannot start.
5. Check if the oil circuit is working properly.
6. Check if the exhaust system is blocked.
6
Cylinder and cylinder
head
1. Check if the spark plug is loose.
2. Check if the cylinder head or cylinder body is loose.
3. Check if the cylinder head gasket is broken.
4. Check if the cylinder gasket is broken.
5. Check if the cylinder body is worn, damaged or seized.
7
Piston and piston rings
1. Check for an improperly installed piston ring.
2. Check if the piston ring is worn or broken.
3. Check if the piston ring is seized.
4. Check if the piston is seized or damaged.
8
Valve, camshaft and
crankshaft
1. Check for an Improperly sealed valve.
2. Check for improperly connected valve and valve seat.
3. Check if the valve timing is improper.
4. Check if the valve spring is broken.
5. Check if the camshaft is seized.