Yamaha WR250FM service manual Spec

MAINTENANCE SPECIFICATIONS

SPEC

Item	Standard	Limit
Lubrication system:
Oil filter type	Paper type	----
Oil pump type	Trochoid type	----
Tip clearance	0.12 mm or less	0.20 mm
	(0.0047 in or less)	(0.008 in)
Side clearance	0.09 ~ 0.17 mm	0.24 mm
	(0.0035 ~ 0.0067 in)	(0.009 in)
Housing and rotor clearance	0.03 ~ 0.10 mm	0.17 mm
	(0.0012 ~ 0.0039 in)	(0.0067 in)
Cooling:
Radiator core size
Width	117.8 mm (4.6 in)	----
Height	220 mm (8.7 in)	----
Thickness	32 mm (1.26 in)	----
Radiator cap opening pressure	110 kPa (1.1 kg/cm2, 15.6 psi)	----
Radiator capacity (total)	0.6 L (0.53 Imp qt, 0.63 US qt)	----
Water pump
Type	Single-suction centrifugal pump	----

2 - 9