Yamaha
main image GYTR Power Tuner

GYTR Power Tuner

$298.99
SKU 33D-H59C0-V1-00
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Details

This easy plug-in fuel-injection and ignition tuning tool allows riders to quickly adjust the fuel and ignition maps to suit riding conditions and rider preference. Allows nine easy-to-program adjustment points for both the fuel and ignition maps. Monitor function allows user to monitor the data from various sensors on the bike as well as adjust idle timing, see engine running time, and self-diagnosis function.

Powered by two AA batteries, thus no laptop or time consuming downloads necessary. Unit does not have to be plugged into bike to create maps. Compact design can fit in the palm of your hand, pocket, etc. Memory function can save up to nine custom maps.

NOTE: Plugs right into the YZ®450F, YZ®450FX, YZ®250FX, and YZ®250F ECU. WR®450F and WR®250F requires GYTR® Competition Kit/ECU, sold separately.

Check the Specifications tab for baseline settings.

Download the GYTR Power Tuner Race Setup Log

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Specifications

GYTR Power Tuner Suggested Baseline Settings

These settings are a general starting point; many factors will affect settings, including rider preference, accessory modification, track and atmospheric conditions.

2016-2017 YZ450F
Stock Exhaust

Hard Hitting/ Loamy Condition

Fuel | RPM (LOW, MID, HIGH)
3/4 Throttle | +1, +1, +1
3/8 Throttle | 0, 0, 0
1/8 Throttle | 0, 0, 0

Ignition | RPM (LOW, MID, HIGH)
3/4 Throttle | +2, +3, +3
3/8 Throttle | +2, +3, +2
1/8 Throttle | +2, +2, +2

 

Strong pulling, mid/top. Premium Pump Gas.

 

Linear Torque/ Hard-Pack Condition

Fuel | RPM (LOW, MID, HIGH)
3/4 Throttle | +2, +2, +2
3/8 Throttle | +2, +1, +1
1/8 Throttle | +2, +1, +1

Ignition | RPM (LOW, MID, HIGH)
3/4 Throttle | -3, -3, -3
3/8 Throttle | -2, -2, -2
1/8 Throttle | -3, -2, -2

Controllable low-end power. Slower revving and longer pulling. Premium Pump Gas.

Smooth Linear/ Slippery Conditions

Fuel | RPM (LOW, MID, HIGH)
3/4 Throttle | -1, -1, -1
3/8 Throttle | -1, -1, -1
1/8 Throttle | -2, -1, -1

Ignition | RPM (LOW, MID, HIGH)
3/4 Throttle | -4, -5, -3
3/8 Throttle | -4, -4, -3
1/8 Throttle | -4, -4, -3

Smooth power delivery. Increased control in muddy conditions. Premium Pu

33D-H59C0-V1-00
  • WR250F (2015-2020)
  • WR450F (2013-2018)
  • YZ250F (2014-2018)
  • YZ250FX (2015-2019)
  • YZ450F (2013-2017)
  • YZ450FX (2016-2018)