Eton VIPER 70, Service Manual

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----
Barrel
1.0 × 2.1 mm
(0.0394 × 0.0827 in)
----
0.10 ~ 0.25 mm
(0.0039~0.0098in)
0.45 mm
(0.0177in)
0.015 ~0.055 mm
(0.0006~0.0022in)
0.09 mm
(0.0035in)
---- Taper
1.0 × 2.0 mm
0.0394 × 0.0787 in)
----
0.25 ~ 0.40 mm
(0.0098~0.0157in)
0.55mm
(0.0217in)
0.015 ~ 0.055 mm
(0.0006~0.0022in)
0.09mm
(0.0035in)
2.0 × 1.9 mm
(0.0787 × 0.0748 in)
0.20 ~ 0.70 mm
(0.0079~0.0276in)
----
----
Crankshaft
Crankwidth 42.30~42.35mm
(1.6653~1.6673in) ----
44.10~44.15mm
(1.7362~1.7382in) ----
0.04 mm ---- Runout limit C1
(0.0016in)
0.04 mm
---- C2
(0.0016in)
Big endside clearanceD” 0.10~0.30mm
(0.0039~0.0118in) 0.50 mm
(0.0197in)
Bigendradialclearance E 0.007~0.015mm
(0.0003~0.0006in) ----
Small endfree play “F” 0.80~1.00mm
(0.0315~0.0394in) 1.50mm
(0.0591in)
F
A
D
C1
C2
E
A
“ ”
“
“
Limit Standard Item
Piston rings
Top ring
Type
Dimensions (B
×
T)
End gap (installed)
Side clearance (installed)
2nd ring
Type
Dimensions (B
×
T)
End gap (installed)
Side clearance
T
B
B
T
Oil ring
Dimensions (B
×
) T
End gap (installed)
B
T
VIPER 70
VIPER 90
VIPER 90R