Suzuki LT-A50 - Page 134

8-4 LT-A50K3/K4 (’03, 04-MODELS)
CLUTCH Unit: mm (in)
ITEM STANDARD LIMIT
Clutch wheel I.D. 87.00 – 87.15 87.50
(3.425 – 3.431) (3.445)
Clutch shoe thickness
———
No groove
at any part
Clutch engagement 2 200 – 2 600 r/min. ———
Clutch lock-up 2 500 – 2 900 r/min. ———
TRANSMISSION Unit: mm (in) Except ratio
ITEM STANDARD LIMIT
Primary reduction ratio 2.650 (53/20) ———
Final reduction ratio 3.700 (37/10) ———
Gear ratios 2.416 (29/12) ———
DRIVE CHAIN Unit: mm (in)
ITEM STANDARD LIMIT
Drive chain Type D.I.D.: 420 ———
Links 78 ———
20-pitch length ———
259.0
(10.20)
Drive chain slack 20 – 30
———
(0.8 – 1.2)
CARBURETOR
ITEM SPECIFICATION
Carburetor type MIKUNI VM12SC
Bore size 12 mm
I.D. No. 43F0
Idle r/min. 1 800 ± 100 r/min.
Float height 24.5 – 25.0 mm
(0.96 – 0.98 in)
Main jet (M.J.) #55
Jet needle (J.N.) 3E3-4th
Needle jet (N.J) E-6
Pilot jet (P.J.) #15
Air screw (A.S.) 1
1
/
8
turns out
Throttle cable play 3 – 5 mm
(0.12 – 0.20 in)
ELECTRICAL
ITEM SPECIFICATION NOTE
Spark plug Type NGK: BPR4H
Gap
0.50 – 0.60
(0.020 – 0.024)
Spark performance Over 8 (0.3) at 1 atm.