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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
2002 or 2005 CR125R
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[QUOTE="02stampede, post: 1335810, member: 101030"] Here are some upgrades of the 03 over the 02. So yeah, there will be some differences. What is the price difference? New Features Engine • Reed valve petals increased in size, and sub-reed valve added. • Combustion chamber shape modified. • Cylinder port timing, exhaust port shape, exhaust passage, and RC valve shape all changed. • Expansion chamber and silencer specifications modified. • TMXχ carburettor size increased from 36 to 38mm. • New ignition timing characteristics. • Ignition coil changed. • Volume of connecting tube between aircleaner and carburettor increased and shape modified. Sidecover air intake shapes also modified for enhanced lowspeed power and acceleration, as well as shaper response and more linear performance characteristics. • New aircleaner box improves sealing to better shut dust out of the intake. Chassis • Smaller-area reinforcement patch over twin-spar aluminium frame’s front crossbar results in reduced rigidity and more comfortable control. • New foam gasket and thicker reinforcement plate between air box and connecting tube improve sealing to better shut dust out of the intake. Stronger, more durable foam gasket material allows easy disassembly without requiring constant replacement. • Intake airflow from aircleaner, through carburettor to cylinder straightened for stronger low-end torque and engine performance. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
2002 or 2005 CR125R
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