Honda CRF50F 2004 Service & Repair Manual

1. GENERAL INFORMATION
SERVICE RULES ............................. .. ............. 1-2
MODEL IDENTIFiCATION .............. .. .............. 1-2
GENERAL
SPECiFiCATIONS .. · .......... · .. .... · .... 1-5
LUBRICATION SYSTEM SPECIFICATIONS · 1-6
FUEL
SYSTEM SPECiFiCATIONS ........ · ........ 1-6
CYLINDER HEAD/
VALVES SPECIFICATIONS .......................... · 1-6
CYLINDER/PISTON SPECiFiCATIONS
........ · 1-7
CLUTCH/ GEARSHIFT
LINKAGE SPECIFICATIONS · .......... · .... · .. · ...... 1-7
ALTERNATOR/
CAM CHAIN TENSIONER
SPECiFiCATIONS
.......... ·· · .. ·· .... ·· .... · ...... · .. · .. ··· 1-7
CRANKSHAFT/TRANSMISSION/
KICKSTARTER SPECIFICATIONS
.... · ........ · .... 1-8
FRONT WHEEL/ BRAKE/SUSPENSION/
STEERING SPECIFICATIONS·
.. ·· .... · ...... ·· .. · .... 1-8
REAR WHEEl/BRAKE /
SUSPENSION SPECIFICATIONS ...... · .... · .. · .... 1-8
IGNITION SYSTEM SPECIFICATIONS · ........ ·1-9
TORQUE VALUES
...... · ........ · ............ .. .......... 1-10
LUBRICATION
& SEAL POINTS · .. · .. · .... · .. · .. ·1-13
CABLE & HARNESS ROUTING · .. · ...... · .. · .. · .. 1-14
EMISSION CONTROL SYSTEMS ........ · ...... ·1- 17
•
1-1

Honda CRF50F 2004 Specifications

General

Engine Type	49cc air-cooled single-cylinder four-stroke
Bore x Stroke	39.0mm x 41.4mm
Compression Ratio	10.0:1
Induction	13mm piston-valve carburetor
Ignition	CDI
Final Drive	Chain
Front Suspension	Inverted telescopic fork; 3.5 inches travel
Front Brake	Drum
Rear Brake	Drum
Front Tire	2.50-10
Rear Tire	2.50-10
Seat Height	21.6 inches
Curb Weight	110 pounds
Fuel Capacity	0.7 gallons
Rear Suspension	Single shock
Rake	25.5 degrees
Transmission	Three-speed with automatic clutch