Maintenance Specifications (Wr400F) - Yamaha WR426F(P) Owner's Service Manual

MAINTENANCE SPECIFICATIONS (WR400F)

MAINTENANCE SPECIFICATIONS (WR400F)
ENGINE
Cylinder head:
Warp limit
Cylinder:
Bore size
Out of round limit
Camshaft:
Drive method
Camshaft cap inside diameter
Camshaft bearing diameter
Camshaft-to-cap clearance
Cam dimensions
Intake
Exhaust
Camshaft runout limit
Item
B
"A"
"B"
"A"
"B"
Standard
----
92.00 ~ 92.01 mm
(3.6220 ~ 3.6224 in)
----
Chain drive (left)
22.000 ~ 22.021 mm
(0.8661 ~ 0.8670 in)
21.967 ~ 21.980 mm
(0.8648 ~ 0.8654 in)
0.020 ~ 0.054 mm
(0.0008 ~ 0.0021 in)
A
31.7 ~ 31.8 mm
(1.248 ~ 1.252 in)
22.95 ~ 23.05 mm
(0.9035 ~ 0.9075 in)
31.2 ~ 31.3 mm
(1.2283 ~ 1.2323 in)
22.95 ~ 23.05 mm
(0.9035 ~ 0.9075 in)
----
2 - 21
SPEC
Limit
0.05 mm
(0.002 in)
----
0.05 mm
(0.002 in)
----
----
----
0.08 mm
(0.003 in)
31.6 mm
(1.244 in)
22.85 mm
(0.900 in)
31.1 mm
(1.224 in)
22.85 mm
(0.900 in)
0.03 mm
(0.0012 in)