OEM-CYCLE

The northwest premiere used dirt bike parts store and dirt bike engine and part information source. Quality used dirt bike parts, used motocross parts, vintage parts, used dual sport parts and info. Motorcycle salvage is our business.

OEM-CYCLE HOME
About Us
Contact Us
Site Map
Used Dirt Bike Parts
ATK Used Parts
Bultaco Used Parts
Honda Used Parts
Husaberg Used Parts
Husqvarna Used Parts
Kawasaki Used Parts
KTM Used Parts
Maico Used Parts
Suzuki Used Parts
Yamaha Used Parts
Misc Used Parts
Bike Identification
What year is my dirt bike
WORLD WIDE PICS CR125
WORLD WIDE PICS CR500
World Wide Pics Of KX500
WORLD WIDE PICS KX450F
WORLD WIDE PICS KX250
WORLD WIDE PICS RM250
WORLD WIDE PICS YZ250
Building our new shop
KX500 JETTING GUIDE
CRANK BEARING REMOVAL
SPLITTING YOUR CASES
BIKES IN DISASSEMBLY
Employees wasting time
Misc Parts
2006 Tundra rear brake re
Pictures for 2003 Honda CR125R
 
 
Specs for 2003 Honda CR125R
 

ENGINE

ENGINE: 125cc, liquid cooled, single cylinder, two stroke, with RC valve
DISPLACEMENT: 125cc
BORE X STROKE: 54.0mm X 54.5mm
COMPRESSION RATIO: 8.0:1
CARBURETION: 38mm Mikuni TMX-x
IGNITION: Digital ignition with three-dimensional mapping and electronic advance


DIMENSIONS

WEIGHT: 193.0 lbs.
GROUND CLEARANCE: 13.6 in.
WHEELBASE: 57.4 in.
FUEL CAPACITY: 2.0 gal.
SEAT HEIGHT: 37.3 in.


DRIVETRAIN

TRANSMISSION: Close-ratio five-speed
FINAL DRIVE: #520 chain; 13T/51T
SUSPENSION: Front: 46mm inverted Kayaba cartridge fork with 18-position rebound & 20-position compression damping adj., 12.6" of travel
Rear: Pro-Link Kayaba single shock with spring preload, 30 position rebound damping and 18-position (low speed) and 2-turn (high)


BRAKES/WHEELS/TIRES

BRAKES Front: Single 240mm disc with twin-piston caliper
Rear: Single 240mm disc
TIRES Front: 80/100-21
Rear: 100/90-19