Removal - BRP Johnson 4HP Service Manual

POWERHEAD

REMOVAL

REMOVAL
Before removing the powerhead:
•
Drain the engine oil. (See page 2-4)
•
Shift into "NEUTRAL" position.
1. Remove the recoil starter. (See page 5-2)
2. Remove the spark plug. (See page 2-9)
3. Rotate the flywheel clockwise to bring the position to
TDC on a compression stroke. (See page 2-10)
4. Remove the flywheel. (See page 3-6)
5. Remove the built-in fuel tank. (See page 4-13)
6. Remove the carburetor. (See page 4-4)
7. Loosen the bolt and detach the throttle control cable from
the intake manifold.
8. Remove the fuel pump. (See page 4-10)
9. Remove the fuel cock. (See page 4-13)
10. Remove the CDI and coil unit. (See page 3-7)
NOTE:
•
The powerhead is detached from the driveshaft housing
with the lower cover as a set.
•
If the disassembly of the powerhead is not required, the
following steps are the minimum procedure in order to
detach the powerhead from the driveshaft housing, instead
of the above ten steps.
•
Remove the recoil starter.
•
Disconnect the Blue/Red and Black lead wires from
the CDI and coil unit.
•
Disconnect the choke rod from the carburetor.
•
Remove the throttle control cable from the carburetor
and the intake manifold.
•
Disconnect the inlet fuel hose from the fuel pump.
•
Take out the lead wires and the throttle control cable
from the lower cover. (See page 6-3)
•
Remove the nine engine mounting bolts. (See page 6-3)
6-2