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Speedo Drive 1972 500 K1

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Bryanj:
This has been brought up in a recent post bylaverdaroo i think.
We think it is some sort of damper on later drive plates, possibly to try and stop speedo needle bounce, not found on earlier plates and not officialy replaceable, i think Roo used some sort of rubberised bonding like Sicaflex but dont know if it will work

Charliecharlcomb:

--- Quote from: Bryanj on November 16, 2022, 05:19:40 PM ---This has been brought up in a recent post bylaverdaroo i think.
We think it is some sort of damper on later drive plates, possibly to try and stop speedo needle bounce, not found on earlier plates and not officialy replaceable, i think Roo used some sort of rubberised bonding like Sicaflex but dont know if it will work

--- End quote ---

Gotcha. I was tempted to get it plated but best leave it alone as its pretty well hidden anyway. Glad to clear that up.

Laverdaroo:
Yeah, twas I.
ifyou have a read,the muppet had cut it out with a craft knife!!
Bonded it back together with windscreen adhesive, worked perfectly. Dont lose that bit they are rarer than unicorn plop!

Oddjob:
Sorry Bryan, missed the reference to the drive plate. Thought you were talking about the drive itself, oddly a quick search of that part number turns up a pic on the Yamiya site which shows a plate with a rubber seal around and 2 others without. Maybe as you said it was some modification that either never caught on and was dropped asap or a very rare part only fitted to a few bikes.

Never seen or heard of one before.

Bryanj:
No worries Ken, i have done the same, i wonder if it was fitted to bikes after a certain year but without a part number mod as it was an "improvement" i must admit that i havent done much to those after about 76.
Bit like the mod from the first 750 with the turned over tabs and different chrome plate, i think there was a bulletin about that but not sure, i will have to find the book

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