– 6 –
CLUTCH
Unit: mm (in)
DRIVE TRAIN
Unit: mm (in) Except ratio
ITEM
STANDARD
LIMIT
Clutch release screw
1/4 – 2/4 turn back
—
Drive plate thickness
2.92 – 3.08
(0.115 – 0.121)
2.62
(0.103)
Drive plate claw width
—
12.9
(0.51)
Driven plate distortion
—
0.10
(0.004)
Clutch spring free length
—
33.8
(1.33)
Clutch wheel I.D.
140.0 – 140.2
(5.512 – 5.520)
Scuffing or
scratch on con-
tacting surface
Clutch shoe
—
No groove at
any part
Clutch engagement r/min
1 500 – 1 900 r/min
—
Clutch lock-up r/min
3 400 – 4 000 r/min
—
ITEM
STANDARD
LIMIT
Primary reduction ratio
2.032 (63/31)
—
Final reduction ratio
Front
4.080 (17/15 × 36/10)
—
Rear
4.080 (17/15 × 36/10)
—
Transfer gear ratio
Low
2.419 (22/23 × 27/17 × 43/27)
—
High
1.592 (43/27)
—
Transmission gear
ratio
Low
3.090 (34/11)
—
2nd
1.750 (28/16)
—
3rd
1.200 (24/20)
—
4th
0.875 (21/24)
—
Top
1.724 (21/29)
—
Reverse
2.636 (24/11 × 29/24)
—
Shift fork to groove clearance
0.10 – 0.30
(0.004 – 0.012)
0.50
(0.020)
Transfer fork to groove clearance
0.10 – 0.30
(0.004 – 0.012)
0.50
(0.020)
Reverse fork to groove clearance
0.10 – 0.30
(0.004 – 0.012)
0.50
(0.020)
Shift fork groove
width
No. 1 & No. 2
5.5 – 5.6
(0.217 – 0.220)
—
Transfer
5.5 – 5.6
(0.217 – 0.220)
—
Reverse
5.0 – 5.1
(0.197 – 0.201)
—
Shift fork thickness
No. 1 & No. 2
5.3 – 5.4
(0.209 – 0.213)
—
Transfer
5.3 – 5.4
(0.209 – 0.213)
—
Reverse
4.8 – 4.9
(0.189 – 0.193)
—