Remove the valves.
Measure the valve in these areas.
Intake Valve Dimensions
|
A Standard (New): |
27.85пјЌ28.15 mm (1.0965пјЌ1.1083 in) |
|
B Standard (New): |
118.55пјЌ119.15 mm (4.6673пјЌ4.6909 in) |
|
C Standard (New): |
5.48пјЌ5.49 mm (0.2157пјЌ0.2161 in) |
|
C Service Limit: |
5.45 mm (0.2146 in) |
Exhaust Valve Dimensions
|
A Standard (New): |
22.85пјЌ23.15 mm (0.8996пјЌ0.9114 in) |
|
B Standard (New): |
117.25пјЌ117.85 mm (4.6161пјЌ4.6398 in) |
|
C Standard (New): |
5.45пјЌ5.46 mm (0.2146пјЌ0.2150 in) |
|
C Service Limit: |
5.42 mm (0.2134 in) |

Exhaust Pipe and Muffler Replacement
NOTE: Use new gaskets and self-locking nuts when reassembling.
...
Brake and Clutch Fluid
Check the brake fluid level in the reservoirs monthly.
Replace the brake fluid according to the time recommendation in the maintenance
minder schedule.
Always use Honda Heavy Duty Brake Fluid DOT ...
Windshield Washers
Check the fluid level in the windshield washer reservoir at least monthly during
normal use.
Check the fluid level by removing the cap and looking at the level gauge
On Canadian models: The low ...