Suzuki Parts

Suzuki — Cornering Precision, Showa Works Performance & RM-Z Legacy

### Brand Heritage & Championship Dominance Founded in Hamamatsu, Japan, Suzuki Motor Corporation has engineered some of the most celebrated motocross machines in history. Suzuki made history in 1970 as the first Japanese manufacturer to win an FIM Motocross World Championship with Sylvain Geboers and Joël Robert, and went on to claim decades of world and national titles with legends like Roger DeCoster, Greg Albertyn, Travis Pastrana, and Ricky Carmichael.

The modern Suzuki RM-Z lineup—featuring the RM-Z450 and RM-Z250—is universally recognized as having the finest turning and corner-carving geometry in motocross. Featuring twin-spar aluminum chassis designs, Showa 49mm twin-chamber spring forks, and Suzuki Holeshot Assist Control (S-HAC), the RM-Z delivers razor-sharp front-end precision and predictable chassis balance that allows riders to dive into the tightest inside ruts with total confidence.

• Works Showa Fork & Suspension Upgrade Kits: High-flow compression/rebound valving pistons and DLC-coated damper rods that eliminate fork harshness.
• Galfer 270mm Oversized Front Brake Kits & Rear Wave Rotors: High-carbon stainless steel braking systems providing powerful, modulated stopping power.
• Wiseco & Vertex High-Compression Piston Kits: Forged 2618 alloy pistons designed to maximize low-to-mid torque on RM-Z four-strokes.
• Renthal Twinwall Handlebars & Twinring Sprockets: Factory-grade 1-1/8" bars and hybrid long-life sprockets matching Suzuki yellow/gold styling.
• Boyesen Supercooler Water Pump Kits: High-flow impellers and cast covers that enhance cooling efficiency during long motos.
• AS3 Performance Braided Brake Lines: High-pressure stainless lines that eliminate lever sponginess.

### How Performance Upgrades Elevate the Suzuki RM-Z 1. Fork Damping & Compliance: While the RM-Z chassis turns sharper than any other bike, stock Showa fork valving can feel harsh over square-edge braking bumps. Installing the Works Showa valving kit provides plush initial damping while retaining bottoming resistance. 2. Braking Authority: Stock Suzuki front brakes can feel moderate under high-speed deceleration. Upgrading to a Galfer 270mm oversized rotor increases braking torque by 25%, giving riders two-finger stopping control. 3. Engine Cooling & Horsepower Preservation: The Boyesen Supercooler increases coolant circulation by up to 25%, preventing engine overheating and preserving horsepower output during hot summer motos.

### Suzuki Chassis Geometry & Mass Centralization The Suzuki RM-Z frame geometry is engineered with a steep steering head angle and forward-biased weight distribution, creating unmatched front-wheel bite when entering turns. By pairing this chassis with refined suspension valving and lightweight controls, the RM-Z becomes an exceptionally potent weapon on tight, technical motocross circuits.

• Fork Air Bleeding: The Showa 49mm spring forks generate internal air pressure as oil temperatures rise. Bleed air pressure via the top cap bleeder screws before every riding session to prevent harshness.
• Engine Oil & Filter Changes: Change engine oil every 5-8 operating hours and replace the oil filter regularly using quality synthetic motorcycle oil.
• Steering Stem Bearing Tension: Ensure the steering stem bearing preload is properly adjusted (not loose) to maintain the RM-Z's legendary stability and prevent headshake.
• Clutch Cable Free Play: Maintain 2-3mm of clutch lever free play at the perch to prevent clutch slipping and premature plate wear.

Frequently Asked Questions