Removing The Drive Chain; Checking The Drive Chain - Yamaha XSR 900 2022 Service Manual

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REMOVING THE DRIVE CHAIN

1. Stand the vehicle on a level surface.

Securely support the vehicle so that there is

no danger of it falling over.

2. Straighten the drive sprocket nut ribs "a".

• Drive sprocket nut

Loosen the drive sprocket nut while pressing the

brake pedal.

• Drive chain

Be sure to put on safety goggles when work-

Cut the drive chain with the drive chain cut & riv-

Drive chain cut & rivet tool

Drive chain cut & rivet tool

• 15-link section length "c" of the drive chain

Out of specification → Replace the drive

15-link length limit

239.3 mm (9.42 in)

a. Measure the length "a" between the inner

sides of the pins and the length "b" between

the outer sides of the pins on a 15-link sec-

tion of the drive chain as shown in the illus-

b. Calculate the 15-link section length "c" of

the 15-link section of the drive chain using

the following formula.

Drive chain 15-link section length "c" =

(length "a" between pin inner sides + length

"b" between pin outer sides)/2

• When measuring a 15-link section of the drive

chain, make sure that the drive chain is taut.

• Perform this procedure 2–3 times, at a different

location each time.

• Drive chain

Stiffness → Clean and lubricate or replace.

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