Four-Stroke Suzuki Dirt Bike, Dual Sport & ATV Tech Info on 4Strokes.com

Exhaust Noise Test Data (66KB PDF file) - This PDF file contains exhaust noise level (dB) ratings for different model Suzuki dirt bikes with various aftermarket exhaust systems. Please go to the California State Parks Off-Highway Motor Vehicle Recreation Division Website for the latest edition. Submitted by John Franger

Measurement of Exhaust Sound Levels of Motorcycles (40KB PDF file) - This SAE Standard establishes the test procedure, environment, and instrumentation for determining the sound levels of motorcycles under stationary conditions. By SAE Motorcycle Committee

Rim Lock / Bead Lock / Bead Stopper Installation - If the bulk of your Suzuki Dual Sport riding takes place in the dirt, then it's very likely that you've made the switch from the stock "semi-knob" tires to genuine, full knobbies (DOT-approved, of course, if you still ride on the pavement at all). But did you also install a rim lock?

Suzuki DRZ400E, DRZ400S & DRZ400SM (2007) Model Differences - Color, weight, gas tank, ground clearance, overall length and width, seat height, front and rear suspension, tire size, wheelbase, engine compression, and engine lubrication system.

DRZ250 Carb Needle Shimming (Forums) - Eliminate the flat spot between 1/2, 3/4 and full throttle. By GlennF

Suzuki DRZ400E Advanced Jetting - The DRZ400E and DRZ400E Kick-Start models come standard with a Keihin FCR 39 flatside carb jetted lean and need rejetted. First thing you need to do is open up the airbox by removing the snorkel. By Matt Nelson

Suzuki DRZ400S Upgrades - The DRZ400S is the best dual sport on the market. It's suited for 75% dirt and 25% street. My goal was to make it 95% dirt. Fortunately Suzuki made this conversion simple but not cheap. By Matt Nelson

Suzuki Mini Four-Stroke (to 110cc) Powertrain & Drivetrain Related Specs (Forums) - By 4Strokes.com Forums members

Links to Four-Stroke Suzuki Technical Information on the Internet

(1996) DR650 Experiences by Randolph Carter
(1996) Suzuki DR650SE Review by Randolph Carter
Recall: 2005 DR-Z110 for Rear Shock by CPSC
Recall: 2007 LT-Z90 for Suspension Arm by CPSC

Rear Axle Snail Cam Adjuster Mod by Corky
Suzuki DR-Z250 Mod Test by Dirck Edge
Suzuki Model & Specifications by Jarmo Haapamäki

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