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We've got all your fuel injection and engine related documents, drawings and diagrams right here for quick reference! Check out our entire Engine/Fuel Injection technical department for a deep dive into all of our helpful fuel injection and engine topics.

Head on over to our Chassis Resources page for diagrams, instructions and install help on the race car. Need gearing charts? We've got 'em right here.

600cc/1000cc Fuel Injection/Electronics/Engine

PE3 ECU Tech Support Guide

PE3 Ignition Coil Charge Times & Crank Polarity

Setting TPS Voltage

Step-by-Step: EVO Fuel Injection to Widefy Instructions

05-06 ZX-6R Kawasaki Wiring Harness Connector Identification Guide

06-12 Yamaha R6R Wiring Harness Connector Identification Guide

Chassis Harness Wiring Diagram

Valve Lash Documentation

Valve Lash Calculation Excel Spreadsheet

EVO Stack Controller Notes

Fuel Pump & Fan Relay Signal Wires in ECU’s

PE3, Kawasaki, Suzuki ECU Pin Removal Instructions

Tach Wire Connection


Fuel Delivery

Fuel Delivery Diagram for 8 Injector

Fuel Delivery Diagram for 4 Injector

Carburetor Fuel Delivery

PTFE Fuel Line Assembly Instructions


Engine Spacer Diagrams

600cc-1000cc Engine Spacer Sheet

270cc-125cc Engine Spacer Sheet


Junior Sprint

Bully Titanium Clutch Bearing Race Installation


Miscellaneous

Fuel Forward Fuel Stick Measurements

Blank Setup Sheet

Throttle Pull Rod

Instructions for Installing the FTZ Oil Cooler