Checking The Driving Chain, Pinion And Sprocket Wear; Adjusting The Driving Chain - APRILIA SL Mille Workshop Manual

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
I
I I
SL mille
2.35.2 CHECKING THE DRIVING CHAIN, PINION AND
SPROCKET WEAR
• To put a driving chain under tension, see 2.35.3 (AD-
JUSTING THE DRIVING CHAIN).
• Count 17 pins ( 16 steps) on a branch of the chain and
measure the distance between the two end pins.
If the "distance is larger than the limit indicated below,
replace the chain, see 7.11 (DISASSEMBLING THE
DRIVING CHAIN).
Wear limit: 255.5 mm (MAX 0.5%).
2.35.3 ADJUSTING THE DRIVING CHAIN
If after the check it is necessary to adjust the chain ten-
1 2 3 4 .
SERVICE AND SETTING UP
15 16 17 18. .
• Position the vehicle on the special rear support stand
mii.
• Loosen the nut (1).
NOTE
For the wheel centering fixed reference marks
(2-3) are provided, which can be seen inside the chain
tightener seats on the rear fork arms, .before the wheel
pin.
• Loosen the two lock nuts (4).
• Act on the adjusters (5) and adjust the chain slack,
making sure that the reference marks (2-3) are correct-
Iy positioned ·on both sides of the vehicle.
• Tighten the two lock nuts (4).
• Tighten the nut (1).
Wheel nut driving torque: 120 Nm (12.0 kgm).
• Check the chain slack, see 2.35.1 (CHECKING THE
DRIVE CHAIN).
Release 00/2001-05 - - - - - - - - - -
0-
49-00