Yamaha XT500 Flat Track Framer Rex’s Speed Shop Ignition System

Marcus at Rex’s Speed Shop (RSS) has supplied us with a top quality ignition system for our Yamaha XT500 motor.It is actually the race version (stronger spark) but also has the ability to power lights if we chose to run this bike on the road. The CDI has an XT500 specific ignition timing curve. RSS’s focus is …

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Flat Track Framer Bespoke Build Design Approach

There are a few considerations required in relation to the design and manufacture of a bespoke framed flat track framer bike – actually for any design project. Writing this type of information down is a useful step and can promote valuable thinking time and provide crucial input early in the design process. Writing these down can …

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Flat Tracker Fuel Tank Design

Prototyping Large Parts: A friend of ours is a sculptor. He creates the initial shapes for his sculptures by carving into blocks of balsa wood. This method is very skilled and tactile and allows him to see, and feel, the contours, size and scale as he goes. We’re less skilled at this approach and tend …

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Yamaha XT 600 Cylinder Reverse Engineering

Background: This project started out as part of a Yamaha XT 600 – 660 ‘Frankenstein’ motored (bottom end from an XT660 but top end from an XT600 as we wanted to keep the air cooled look) flat track framer bike. The original intention was to cast a new cylinder with modified, more symmetrical, fins that …

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