- This topic has 4 replies, 3 voices, and was last updated 10 years, 1 month ago by
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Hello
Trying to sort / rebuild a siezed TS125.
Freed engine(phew!).
Two questions for you clever people out there..Engine has 150 head – do I need to change it back to 125.
Local engine shop will re-bore – but he want’s to know what skirt clearance it needs (oh I say).
Enjoying the taking to bits – getting ready for the rebuild, maybe see some of you people in the spring!
Thanks in advance
Steve
(Halesowen) -
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Thank you Brian!
As ever I asked in two places and got two answers!
MZ shop suggest 2 to 3 thou (of an inch)Don’t want to get his wrong…
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Tom is right
As its a 125/150 then running it in is gunner be a right pain 1.5 to 2 thou would be about right thats 40-50 micron in new money
Three thou would work but it would be a little rattley almost at first start and would settle down to somewhere between 4 to 5 thou (100-125 microns)after running in and this will produce a proper piston slap on cold start up !
30 microns is a touch to tight and you would have to be a proper saint to get that run in without a nip up
I have never yet heard a quiet mz without a little rattle /tinkle if it was that would then make it a yamaha !!!! (Suzukis and sakakakis also rattle )In conclusion my money is on 0.04-0.05mm for the best compromise
Others may differ (what does the manual say?)
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