Honda305.com Forum

To pile on, in good company, I would add: check the needle position in the slide and the actual size of the carb jet. Make sure both are in spec. Also, you have a nicely painted frame, but the ground connection might be affected. During testing, I'd put some additional temporary ground wires from th...

Could be related to your throttle cable/s. I'd try to adjust for more cable slack and repeat the test. It's been a while, but I recall trying to diagnose a similar issue on my CP77, where the throttle cables were the cause of unexplained sporadic high idle.

Great research! And the puzzle is solved - or at least there is good guidance whether you decide to change the pattern or not.

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Michael

I don't make anything that isn't reversible, so I'll carefully store the “surprising” original parts.

A sensible approach!

Sky Fred: Vague recollection of some unusual shifting patterns on obscure (in the US) early models. This is very tenuous, but was discussed on the old VJMC mailing list - decades ago, by now. Bill Silver may be the best informed about this. I would definitely keep the bike original for the time bein...

I admire your systematic approach with the mods and other updates! Will be interesting to learn from your long term observations of the modified charging system.

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Michael

Excellent set of reports! So much work done - I admire your perseverance! Looks to me like the bike is in the right hands!

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Michael