(1) Disconnect battery negative wire from ground on right side of motorcycle.
(2) Tow motorcycle for engine starting.
(3) After engine is started, reconnect battery ground wire to frame to prevent damage to electrical system.
13. RUNNING‐IN NEW ENGINE (OR VEHICLE).
a. A new motorcycle engine or newly overhauled engine must be given proper “break‐in” consideration for at least the first 1,000 to 1,200 miles of service. Failure to do this may result in damage that will put engine out of active service within a short period of time.
b. At the first 250 miles, check front and rear drive chains to make sure they are receiving required amount of oil for ample lubrication. If necessary, have chain oilers adjusted by unit mechanic. Drive chains must be inspected for correct adjustment, and be given attention by unit mechanic as needed.
c. At first 500 miles, drain oil tank and refill with fresh oil. Check front and rear chains (step b above). Thereafter, follow instructions in Maintenance Operation section.
d. After a new motorcycle has been run 500 to 1,000 miles it needs to be thoroughly checked over and any loose screws and nuts tightened. Particular attention must be given engine and transmission mounting bolts and nuts, and to rear wheel mounting socket screws.
e. Following pointers must be observed when running‐in new engine or newly overhauled engine: