Honda CRF250R 2022 Owner's Manual page 76

Specifications
Engine
■
Bore x stroke 3.1102 x 2.0034 in (79.000 x 50.887 mm)
Displacement 15.215 cu-in (249.43 cm
Compression
13.9 : 1
ratio
Intake
Valve clearance
(cold)
Exhaust
API Service Classification SG or higher except
oils labeled as energy conserving or resource
conserving on the circular API service label,
Recommended
SAE 10W-30, JASO T 903 standard MA, Pro
engine oil
Honda GN4 4-stroke oil (USA & Canada) or
Honda 4-stroke oil, or an equivalent
motorcycle oil
After draining 1.11 US qt (1.05 L)
After draining
Engine oil and oil filter
capacity change
After
disassembly
Idle speed 2,000 ± 100 rpm
70
)
3
0.004 ± 0.001 in (0.10 ± 0.03
mm)
0.008 ± 0.001 in (0.20 ± 0.03
mm)
1.14 US qt (1.08 L)
1.43 US qt (1.35 L)
Cooling system
■
Recommended
Pro Honda HP Coolant
coolant
After draining 1.10 US qt (1.04 L)
Cooling capacity
After
disassembly
Drive train
■
Primary reduction 3.047
1st
2nd
Gear ratio 3rd
4th
5th
Final reduction 3.846
Left foot-operated return system
Gear shift pattern
1-N-2-3-4-5
1.22 US qt (1.15 L)
2.384
1.933
1.600
1.350
1.153