CHECKING THE SPROCKET
• Sprocket teeth "a"
Excessive wear → Replace.
Replace the drive sprocket, rear
wheel sprocket and drive chain as a
CHECKING THE DRIVE CHAIN
• Drive chain length (15 links) "a"
Out of specification → Replace.
Drive chain length (15
<Limit>: 242.9 mm
• While measuring the drive chain
length, push down on the drive
chain to increase its tension.
• Measure the length between drive
chain roller "1" and "16" as shown.
• Perform this measurement at two or
three different places.
• Master link clip
• Joint "1"
• Drive chain "2"
• Drive chain
Place it in kerosene, and brush off
as much dirt as possible. Then re-
move the drive chain from the ker-
osene and dry the drive chain.
• Drive chain stiffness "a"
Clean and oil the drive chain and
hold as illustrated.
Stiff → Replace the drive chain.
• Drive chain "1"
• Joint "2"
• Master link clip "3"
Be sure to install the master link
clip to the direction as shown.
a. Turning direction
• Drive chain
Drive chain lubricant:
SAE 10W-40 motor oil
or suitable chain lubri-
ADJUSTING THE DRIVE CHAIN
1. Elevate the rear wheel by placing
the suitable stand under the en-
• Drive chain slack "a"
Above the seal guard installation
Out of specification → Adjust.
Drive chain slack:
50–60 mm (2.0–2.4 in)
Before checking and/or adjusting, ro-
tate the rear wheel through several
revolutions and check the slack sev-
eral times to find the tightest point.
Check and/or adjust the drive chain
slack with the rear wheel in this "tight
• Drive chain slack
Drive chain slack adjustment
a. Loosen the axle nut "1" and lock-
b. Adjust the drive chain slack by
turning the adjusters "3".
To tighten→Turn the adjuster "3"
To loosen→Turn the adjuster "3"
clockwise and push wheel for-
c. Turn each adjuster exactly the
same amount to maintain correct
axle alignment. (There are marks
"a" on each side of the drive chain
puller alignment.) NOTICE: Im-
proper drive chain slack will
overload the engine as well as
other vital parts of the motorcy-
cle and can lead to chain slip-
page or breakage. To prevent
this from occurring, keep the
drive chain slack within the