Specifications and technical data
Honda CRF 250 R, 2005, 42,1 PS, 31 kw
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Year of manufacture
2005
No. of cylinders
1
Cylinder capacity
250 cc
Power
42,1 PS, 31 kw
Specifications and technical data
Honda CRF 250 R, 2005, 42,1 PS, 31 kw
Manufacturer
HONDA MOTORCYCLES CRF250R/RX CRF250R
Model
Model variant
CRF250R
Engine Code
ME10E
Chassis Number
Litres
250
Tuning
Tuning description
Production start year
2004
Production end year
2009
Fuel
Performance
32kW
DIN HP
Revolutions per minute
Engine
Number of cylinders
1
Valves per cylinder
4
Engine
Throttle grip free play
3.0 - 5.0 Millimetre
Ignition coil primary resistance
(at 20 °C)
(at 20 °C)
0.07 - 0.10 Ohms
Ignition coil secondary resistance
(at 20 °C)
(at 20 °C)
4600 - 6800 Ohms
Valve clearance
Cold engine
Inlet
0.09 - 0.15 Millimetre
Exhaust
0.25 - 0.31 Millimetre
Idle speed
1600 - 1800 Revolutions per minute
Spark plugs (make and type)
(Standard)
(Standard)
NGK R0409 B-8
Spark plugs (make and type)
(Optional)
(Optional)
NGK R0409 B-9
Spark plug gap
0.6 - 0.7 Millimetre
Number of spark plugs
1
Compression pressure
Pressure
3.92/800
Engine
Cap pressure
0.9 - 1.2
Front disc brakes
Disc thickness, front
3.0 Millimetre
Disc thickness, front, minimum
2.5 Millimetre
Disc run-out, maximum (front)
0.25 Millimetre
Rear disc brakes
Disc thickness, rear
4.0 Millimetre
Disc thickness, rear, minimum
3.5 Millimetre
Disc run-out, maximum (rear)
0.25
Wheels and tyres
Tyre size and pressure
Front tyre size
80/100-21 51M
Front tyre pressure
1.0 (bar)
Rear tyre size
100/90-19 57M
Rear tyre pressure
1.0
Engine
Engine sump, including filter
Plug location
(Drain plug)
(Drain plug)
Plug location
(Filler plug)
(Filler plug)
Oil filter location
Initial filling
0.9 Litre
Refilling
0.7 Litre
Cooling system
Initial filling
1.0 Litre
Refilling
0.9 Litre
Coolant drain plug location
Manual transmission
Manual transmission
Gearbox refill after overhaul
0.7 Litre
Gearbox refill
0.6 Litre
Plug location
(Filler plug)
(Filler plug)
Plug location
(Drain plug)
(Drain plug)
Suspension
Front fork
Left fork leg tube
(2004 - 2007)
(2004 - 2007)
0.37 Litre
Left fork leg tube
(2008)
(2008)
0.40 Litre
Left fork leg damper
(2004 - 2007)
(2004 - 2007)
0.19 Litre
Left fork leg damper
(2008)
(2008)
0.18 Litre
Right fork leg tube
(2004 - 2007)
(2004 - 2007)
0.37 Litre
Right fork leg tube
(2008)
(2008)
0.40 Litre
Right fork leg damper
(2004 - 2007)
(2004 - 2007)
0.19 Litre
Right fork leg damper
(2008)
(2008)
0.18 Litre
Front fork
Left fork leg
42 - 47 Millimetre
Right fork leg
42 - 47 Millimetre
General
Fuel tank
7.3
Final drive
Final drive chain (make and type)
(2004 - 2008)
(2004 - 2008)
DID 520DMA2
Final drive chain (make and type)
(2008)
(2008)
RK 520TXZ
Final drive chain free play
25 - 35 Millimetre
Number of final drive chain links
114
Number of final drive front sprocket teeth
13
Number of final drive rear sprocket teeth
51
Clutch system
Clutch plate thickness
2.92 - 3.08 Millimetre
Clutch plate thickness, minimum
2.85 Millimetre
Clutch spring length
(2004 - 2007)
(2004 - 2007)
38.0 Millimetre
Clutch spring length
(2008)
(2008)
38.5 Millimetre
Clutch spring length, minimum
(2004 - 2007)
(2004 - 2007)
37.2 Millimetre
Clutch spring length, minimum
(2008)
(2008)
37.7 Millimetre
Clutch lever free play
10 - 20
Engine
Note: Always renew stretch bolts and self-locking nuts
Cylinder head (nuts)
(Threads and contact surface lightly oiled)
(Threads and contact surface lightly oiled)
39 (Nm)
Tightening sequence:
(Tighten the nuts in several stages, in a criss-cross pattern)
(Tighten the nuts in several stages, in a criss-cross pattern)
Renew the gasket
Valve cover
(Apply sealant)
(Apply sealant)
10 (Nm)
If the gasket is damaged or stretched, renew it
Crankcase cover
(Tighten the bolts in several stages, in a criss-cross pattern)
(Tighten the bolts in several stages, in a criss-cross pattern)
10 (Nm)
Engine oil drain plug
(Renew the washer)
(Renew the washer)
16 (Nm)
Spark plugs
16 (Nm)
Camshaft bearing cover
(Threads lightly oiled; tighten the bolts in a criss-cross pattern)
(Threads lightly oiled; tighten the bolts in a criss-cross pattern)
16 (Nm)
Rocker shaft
6 (Nm)
Timing chain tensioner
(Apply thread-locking compound)
(Apply thread-locking compound)
12 (Nm)
Timing cover
6 (Nm)
Flywheel
(Threads and contact surface lightly oiled)
(Threads and contact surface lightly oiled)
64 (Nm)
Exhaust manifold
(Renew the gasket)
(Renew the gasket)
21 (Nm)
Front disc brakes
Brake master cylinder clamp
9.9 (Nm)
Front brake caliper guide pin
(Apply thread-locking compound)
(Apply thread-locking compound)
22 (Nm)
Front brake caliper
(Apply thread-locking compound)
(Apply thread-locking compound)
30 (Nm)
Brake hose to caliper
(Renew the washer)
(Renew the washer)
34 (Nm)
Front brake disc
16 (Nm)
Brake pad retaining pin
18 (Nm)
Rear disc brakes
Brake master cylinder clamp
13 (Nm)
Rear brake caliper guide pin
27 (Nm)
Brake hose to caliper
(Renew the washer)
(Renew the washer)
34 (Nm)
Rear brake disc
16 (Nm)
Brake pad retaining pin
18 (Nm)
Clutch system
Clutch
(Threads and contact surface lightly oiled)
(Threads and contact surface lightly oiled)
69 (Nm)
Clutch spring bolts
(Tighten the bolts in several stages, in a criss-cross pattern)
(Tighten the bolts in several stages, in a criss-cross pattern)
12 (Nm)
Final drive
Final drive front sprocket
31 (Nm)
Final drive rear sprocket
32 (Nm)
Manual transmission
Manual transmission drain plug
(Renew the washer)
(Renew the washer)
16
Suspension
Note: Always renew stretch bolts and self-locking nuts
Front wheel axle clamp
20 (Nm)
Front wheel axle nut
88 (Nm)
Rear wheel axle nut
128 (Nm)
Front fork cap
30 (Nm)
Wheel spokes
3.7
Engine oil
API SG + JASO MA SAE 10W-30
Brake fluid
DOT 4
Chain lubricant
Chain Spray
Engine oil
API SG + JASO MA SAE 10W-30
Fork oil
Fork Oil SS-47 SAE 10W
Front fork
Left fork leg tube (2004 - 2007)
0.37 Litre
Left fork leg tube (2008)
0.40 Litre
Left fork leg damper (2004 - 2007)
0.19 Litre
Left fork leg damper (2008)
0.18 Litre
Right fork leg tube (2004 - 2007)
0.37 Litre
Right fork leg tube (2008)
0.40 Litre
Right fork leg damper (2004 - 2007)
0.19 Litre
Right fork leg damper (2008)
0.18 Litre
Front fork
Left fork leg
42 - 47 Millimetre
Right fork leg
42 - 47