It is unnecessary to remove the engine assembly from the frame when servicing the cylinder head cover and camshafts.
Note before servicing the engine top side components (until camshafts removal) with the engine in place, remove the following parts:
Other parts except for these “engine top side components” can not be serviced with the engine installed in the frame. Refer to “engine assembly removal” and “engine assembly installation” . |
Caution identify the position of each removed part. Organize the parts in their respective groups (e.G., Intake, exhaust) so that they can be reinstalled in their original positions. |
Cylinder head cover
Camshafts
Caution be sure to loosen the camshaft journal holder bolts evenly by shifting the wrench in the descending order of numbers. |
Cylinder head
Note the cylinder head can not be serviced with the engine installed in the frame. |
Note when loosening the cylinder head bolts, loosen each bolt little by little diagonally. |
Throttle body inspection and cleaning
Refer to “throttle body disassembly and assembly” .
Cleaning
Some
carburetor cleaning chemicals,
especially dip-type soaking solutions, are
very corrosive and must be handled carefully.
Always follow the chemical manufacturer’s
instructions on proper use, handling and
sto ...
Fuel and oil recommendation
Fuel (for USA and Canada)
Use only unleaded gasoline of at least 90 pump octane
(r/2 + m/2).
Gasoline containing mtbe (meltyl tertiary butyl ether),
less than 10% ethanol, or less than 5% methanol with
appropriate cosolvents and corrosion inhibitor is
permissible.
Fuel (for other countries) ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Front fork components”
Special tool
...