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WHAT'S THIS BIT FOR?

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mike the bike:
There was a rubber boot that (sort of ) protected the bullet connectors which was stuffed into that bracket and held in place with a rubber strap.   It wasn't all that weather proof so I deleted it when I remade the loom.

MCTID:
I bought a Japanese Import CB750 around 2001 from BAT Motorcycles at Biggin Hill.....the later DOHC Nighthawk......which had a Speed Limiter fitted as it was a Japanese Home Market bike. It used to rev OK up to a point then it just died the death.........I took it to Box Hill Motorcycles who removed the Speed Limiter and it ran fine after.

Box Hill Motorcycles specialised in importing VFR 400 and CB 400 Fours (and other Japanese Pocket Rockets) at the time so I thought they were the best people to sort it. I never saw what - if anything - they removed/ altered, but it did the trick.

AshimotoK0:
The module is like a round flasher unit in an aluminium can with a  little circuit board potted into it and rubber mounted. It doesn't limit the speed it takes signals out of the speedo to drive a lamp that's fitted into hole  in the  steering stem chromed nut. It just light up when the speed exceeds the Japanese imposed speed limit.

Bryan gave me his JDM CB500K0 parts manual to scan to PDF but I only just asked him if I can separate it to scan decently, which he kindly agreed to. It's a little A5 'ish book with some fold out pages for carbs etc. It has those speed lamp components listed in it. I will try to scan it next week & put in Dropbox.

Bryanj:
That part was originally fitted by Honda in the 70's just so one of us could ask what is it nearly 50 years later!

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