Suzuki GP125 - Service Data

7-11
SERVICE DATA
Piston + Ring + Cylinder
ITEM | STANDARD
Piston — Cylinder clearance 0.035 — 0.045 (0.0014 — 0.0018) 0.120 (0.0047)
Cylinder bore | 56.000 — 56.015 (2.2047 — 2.2053) 56.095 (2.2085)
Piston dia. / Measurement point 55.960 — 55.976 (2.2013 — 2.2037)/20.0(0.79) | 55.880 (2.2000)
Cylinder warpage | = 0.06 (0.002)
Cylinder head warpage — 0.05 (0.002)
am
a
=
=
pa
Piston ring free end gap тя
| -М | Approx. 7.5 (0.30) | 6.0 (0.24) |
2nd
Piston ring end gap n
0.15 — 0.35 (0.006 — 0.014) 0.80 (0.031)
2nd
Piston ring — Groove clearance Е
0.03 – 0.07 (0.001 — 0.003) --
2nd
Piston pin — Pin bore clearance 0.002 (tight) — 0.011 (0.0001 — 0.0004) 0.080 (0.0031)
13.998 — 14.006 (0.5511 — 0.5514) -
13.995 — 14.000 (0.5510 — 0.5512) |
Piston рїп О. D.
Crankshaft
Unitimmilin)
ITEM
STANDARD
LIMIT
Con-rod small end bore "18.003 — 18,011 (0.7088 — 0.7091) 18.040 (0.7102)
|. Piston pin 0. D. a] 13.995 — 14.000 (0.5510 — 0.5512) | 13.980 (0.5504)
|
Con-rod
deflection
&malend)
|
р
—
Е
[зо
(0.12)
|
Con-rod
big
end
wear
|
|
0.08
(0.003)
|
Crankshaft
runout
|
—
[05
(0.002)
SPECIFICATION
| Oi! pump reduction ratio 3.625 (58/16 x 29/17 x 17/29)
| сс pump discharge rate (Full open) | 1.30-1.60 mi (0.044/0.046—0.054/0.056 US/Imp oz) 2 minutes at 2000r/min