I have a 2000 ds 650 how do i tighten my chain please help me

 

on my 01,It has two bolts you loosen behind the axle carrier then jack up the rear end on the sprocket there is a small hole and on the carrier there is a small hole line them up and push a long nail or allen wrench through both holes then slowly turn the rear wheels this should adjust the chain

 

DRIVE CHAIN
Adjustment
NOTE: Always adjust drive chain with the driver,
or equivalent weight, installed on the vehicle.
Select a level surface and set transmission to NEU-TRAL.
Loosen rear axle lock bolts no. 12.
1. Rear axle lock bolts
Insert adjuster lock through rear hub no. 13 and
into eccentric axle housing no. 6.
Turn the axle forward to increase or backward to
decrease chain slack.
1. Drive chain
2. Adjuster lock
3. Sprocket hub
4. Eccentric axle housing
NOTE: Correct chain slack adjustment is 19 to
25.4 mm (3/4 to 1 in) at midway between sprockets.
Tighten the rear axle lock bolts to 28 N•m (21 lbf•ft).
Lift rear of vehicle (without driver), by the frame or
by the bumper, and recheck the chain slack. The
chain slack should be 44.5 to 51 mm (1-3/4 to 2 in).
If not, redo the drive chain adjustment.
Lubrication and Cleaning
CAUTION: Never wash the chain with a high
pressure washer or gasoline. Damage to the O-ring
will result, causing premature wear and
drive chain failure.
Clean the side surfaces of the chain with a dry
cloth.
NOTE: Do not brush chain.
Lubricate only with the approved O-ring chain lubri-cant.
Other commercial chain lubricants may con-tain
solvent which could damage the O-rings.