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Worn bearings or something. Assuming the speedo works proving the cable drive is ok, then the usual cause of the odometer not working is a gear wheel slipping on it's shaft. It's a common enough fault and has been discussed on various airhead forums. Mine only slipped when it got hot due to differe...

The stator won't produce any output until you get some current flowing through the rotor. It sounds like that isn't happening initially because of a break in the wiring somewhere. It might help to break things down into sections. For example, using the diagram above take a temporary feed from the ba...

Am I correct in saying that I should be able to measure AC voltage with a multi-meter from the 3-wire output on the bottom right of the stator casing, with - engine running - the said 3 wires unplugged from the stator casing - all other wires untouched - probes on only 2 separate spades Cause I'm c...

Different forks but the same principle of using oil level to tune the forks should apply. R45/R65 forks as well as having a fixed volume of 190cc also have a recommended level of 20mm - 50mm above the damper piston top. That difference allows for some tuning of the air spring effect. The 20mm level ...

Even an engine that does does have pinging would never exhibit it when the bike is stationary on the stand. The engine has to be under substantial load. With no load the engine will rev right up with just a fraction of throttle and that won't produce sufficient compression in the cylinders to promot...

Are there different burn rates of the flame front with E5 vs E10? Or volatility of the fuel? Could something like that contribute to better running? Kurt I doubt there are significant burn rate or volatility differences for E5 and E10 but it might depend where you are located. In the UK E5 is 98 Ro...

I didn't notice any difference in running moving from E5 to E10 although it must have weakened the mixture by a few percent.

I'll find out what it's done to fuel hoses and O rings in the carbs at the next overhaul. I've already had the bowls off and seen nothing untoward.

I also ordered a couple of 13 11 1 338 134 springs as per Snowbum's article, they fit perfectly in the carbs and made the bike idle marvelously but it was absolutely impossible to rev the bike at all without it flooding and stalling. Has anyone else had this problem? I'm thinking maybe the springs ...

Not knowing the details of your points booster, I can't really comment but, if it's essentially substituting a semiconductor switch for the points (no matter how triggered)... as you say, the energy dissipated in the igniton system is dependant on the coils rather than the switching method so your ...

Hmmm..Your point seems a valid but.. Is a dead short worse than a totally fouled plug? Good point, a dead short is not worse than a fouled plug as an open circuit will cause the coil to generate it's highest possible HT voltage which stresses the coil insulation and may lead to damage on electronic...