Uncork your KLX
Designed. Tested. Shared.
Guides
Technical guides, performance parts, and the builders behind them.
Exhaust Guide
Stock vs aftermarket vs the KTM muffler swap — power, weight, and sound, compared on the dyno.
EngineSuspension Guide
The master guide to KLX suspension — spring rates, sag, and the upgrades that actually matter.
SuspensionShock Upgrades
Pick the right shock spring for your weight — the correct rate and the cheapest way to get there.
SuspensionIntake Modifications
Free up the intake — subthrottle delete, high-flow snorkel, and airbox mods, each with dyno-tested gains.
EngineLab Reports
Engineering analysis, ECU data, and real on-bike measurements.
KLX300 Secondary Throttle Plate: What It Does & Why Removing It Adds Power
Decoded factory ECU maps show the KLX300 holds its secondary throttle plate (STP) at ~50% right through 7000 RPM in 1st/2nd gear — so the top half of your throttle does nothing. What it does, why Kawasaki fit it, and the honest delete tradeoff.
Why EFI Motorcycles Bog on Throttle Snaps — and Why Your Fuel Tuner Can't Fix It
The throttle bog is the most common EFI complaint. Most riders blame the factory map. The deeper truth: every piggyback tuner has a blind spot exactly where you snap the throttle — here's the physics, and the fix.
KLX250/300 Fuel Controller Options Compared
EJK, PCFC, BDSB reflash, JDM ECU, and TuneFI — what each one actually does, what it can't do, and when it makes sense.
KLX300 Ignition Timing: The Power Cliff at 8000 RPM
We decoded the KLX300 ECU ignition map. Kawasaki retards ignition by 6° at full throttle above 8000 RPM — costing 2 HP. At 80% throttle, timing stays fully advanced.
Discord
KLX owners discussing builds, troubleshooting, and modifications.
JoinDyno Tested
Dyno results and methodology on YouTube.
