Chain Slack Inspection and Adjustment for a Dirtbike

Chain Slack Inspection and Adjustment for a Dirtbike

Inspection

Step 1: Start by putting your bike on a stand so that the back wheel is off the ground.

Step 2: Measure the chain to do this push up on the chain and measure at the back of the chain slipper on the swing arm.

• Chain slack standard should be: 52-62 mm (2.05-2.44 inches) 

Adjustment

Step 1: Loosen the rear axle nut.

Step 2: Loosen the chain adjuster locknuts on both the right and left side.

Step 3 Loose Chain: If the chain is loose turn both adjusting bolts evenly counter clockwise until you have the slack that you want and make sure to align the marks on the axle blocks with the markings on the swing arm.

Step 3 Tight Chain: If the chain is to tight turn both adjusting bolts evenly clockwise until you have the slack that you want and make sure to align the marks on the axle blocks with the markings on the swing arm.

Step 4: Tighten both chain adjuster locknuts

Step 5: Tighten the rear axle nut

Step 6: Remeasure the chain slack