Mikuni TM 40

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Re: Mikuni TM 40

Post  appleseed on Sat May 23, 2015 11:25 am

Mad Frosty wrote:i dont know yet what the perfect setting is but i am  at 1,8mm  up from  the factory setting

I assume you mean the float level is +- 21mm?

Yes it arrived today so I though fork it I''l play with it instead of doing house work...

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Re: Mikuni TM 40

Post  appleseed on Sat May 23, 2015 11:34 am

also should the float rest on the float needle or should the float level be measured with the spring compressed

The answer is uncompressed hence the reference to the 10-20 degree tilt in the manual.  Embarassed


Last edited by appleseed on Sat May 23, 2015 11:48 am; edited 1 time in total (Reason for editing : found the answer by thinking about it :|)
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Re: Mikuni TM 40

Post  appleseed on Sat May 23, 2015 2:54 pm

deleted a dumb question...


Last edited by appleseed on Sat May 23, 2015 2:59 pm; edited 1 time in total (Reason for editing : deleted a dumb question...)
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Re: Mikuni TM 40

Post  Mad Frosty on Sat May 23, 2015 10:02 pm

The factory setting is 19 mm , measure that before you change it , so you will learn the correct way of measuring , it will come set at 19 mm , i have found that in order to get the propper measurement the tilt of the carb had to be bit bigger than 20 degrees , it needs to just touch the pin without pushing it in , not easy but important otherwise you will mess it up .
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Re: Mikuni TM 40

Post  Mad Frosty on Sat May 23, 2015 10:03 pm

Start with 20 mm and test it , make sure you will try the hill starting .
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Re: Mikuni TM 40

Post  Mad Frosty on Sat May 23, 2015 10:08 pm

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Re: Mikuni TM 40

Post  appleseed on Sat May 23, 2015 10:11 pm

cheers,I set mine at 21 but need throttle cables Embarassed
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Cables

Post  Womble on Wed Aug 26, 2015 5:37 pm

I presume you have cables by now, i got mine made up by VenHill Engineering in Dorking.
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Re: Mikuni TM 40

Post  Womble on Wed Aug 26, 2015 5:39 pm

Mad Frosty wrote:

I really needed this picture 2 months ago when i needed to put it back to stock and couldn't work out how to measure the 19mm. I got fuel out of all the overflows at one point.
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Re: Mikuni TM 40

Post  appleseed on Wed Aug 26, 2015 9:40 pm

Yes i already have new cables, but will keep VenHill Engineering in mind for the next time...

Also you win the award from most overflows overflowed  Cool
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Re: Mikuni TM 40

Post  BuRP on Thu Aug 27, 2015 1:04 pm

The3 TM40 does not need altering the floatlevel to prevent peeing when leaning over on the sidestand, only the std carb needs it sometimes.
Fwiw.

MotionPro makes cables Appletjie, got mine from them and they're good. Measure accurately though (I guessed mine, fine though), always helps to get what you need.
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Re: Mikuni TM 40

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