Maintenance Specifications; Connecting Rod - Yamaha 25BMH Wartungshandbuch

SPEC
Item
PISTON RING (2nd)
Type
(B)
(T)
End gap
(installed)
<Limit>
Side clearance
<Limit>
CRANKSHAFT
Crank width
Runout limit (D)
Side clearance (E)
Maximum axial play (F)

CONNECTING ROD

Small end diameter
CARBURETOR
Main jet
Main air jet
Main nozzle
Pilot jet
Pilot air jet
Pilot screw
Valve seat size
Float height
Idling speed

MAINTENANCE SPECIFICATIONS

Unit
Worldwide
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
(A) mm (in)
(B) mm (in)
(C) mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
(M.J.) #
φ mm (in)
(M.A.J.)
φ mm (in)
(M.N.)
(P .J.) #
(P .A.J.) mm (in)
(P .S.) turns out
(V.S.) mm (in)
mm (in)
r/min
25BMH
0.20 - 0.35 (0.0079 - 0.0137)
0.55 (0.022)
0.03 - 0.07 (0.001 - 0.003)
0.07 (0.003)
56.90 - 56.95 (2.2401 - 2.2421)
153.7 - 154.0 (6.0512 - 6.0630)
39.9 - 40.1 (1.5709 - 1.5787)
0.03 (0.0012)
0.2 - 0.7 (0.0079 - 0.0276)
23.904 - 23.917 (0.941 - 0.942)
2.0 (0.079)
1 - 1/4 ± 3/4
14.5 (0.571)
2-4
Model
30HMH
Barrel
2.0 (0.079)
3.0 (0.118)
2.0 (0.079)
130
1.0 (0.039)
4.0 (0.157)
68
0.8 (0.031)
1.2 (0.047)
1,100 ± 50
E