Suzuki AY50 User Manual

11-4 AY50K1 K2/WRK1 K2 (’01 ’02-MODEL)
SERVICE DATA
AY50K1
CYLINDER + PISTON + PISTON RING Unit: mm
ITEM STANDARD LIMIT
Piston to cylinder
clearance
0.06 – 0.07
0.120
Cylinder bore 41.005 – 41.020
Measure at 20 mm from the top surface
41.075
Piston diam. 40.940 – 40.955
Measure at 15 mm from the skirt end
40.885
Cylinder distortion ——— 0.05
Cylinder head distortion ——— 0.05
Piston ring free 1st R Approx. 4.0 3.2
end gap
2nd R Approx. 4.3 3.4
Piston ring end gap 1st &
2nd
R 0.10 – 0.25 0.80
Piston ring to 1st 0.03 – 0.07 ———
groove clearance
2nd 0.02 – 0.06 ———
Piston pin bore 10.002 – 10.010 10.030
Piston pin O.D. 9.995 – 10.000 9.980
CONROD + CRANKSHAFT Unit: mm
ITEM STANDARD LIMIT
Conrod small end I.D. 14.003 – 14.011 14.040
Conrod deflection ——— 3.0
Crank web to web width 36.0 ± 0.05 ———
Crankshaft runout ——— 0.05
OIL PUMP
ITEM SPECIFICATION
Oil pump reduction ratio 30.000 (30/1)
Oil pump discharge rate 0.9 – 1.1 ml
for 5 minutes at 3 000 r/min.
CLUTCH Unit: mm
ITEM STANDARD LIMIT
Clutch wheel I.D. 110.00 – 110.15 110.50
Clutch shoe thickness 3.0 2.0
Clutch engagement P-02,22,39 3 300 ± 200 r/min. ———
P-04,26,
34,53
4 400 ± 200 r/min ———
Clutch lock-up P-02,22,39 4 500 ± 300 r/min. ———
P-04,26
34,53
6 000 ± 300 r/min. ———

Suzuki AY50 Specifications

General

Brand	Suzuki
Model	AY50
Category	Scooter
Language	English