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Author Topic: RM500D Squish  (Read 1781 times)

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Offline tmkiwi

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RM500D Squish
« on: July 26, 2014, 05:36:52 pm »
Whats a good squish setup on a standard rm500D.
Can run race fuel if needed.
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Offline oldyzman

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Re: RM500D Squish
« Reply #1 on: July 26, 2014, 06:06:23 pm »
A graham Bell says 1.2mm. I would go a bit more depending on the engines condition, also consider Effective Compression.

Brett
A true ammeter.
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I have a soft spot japanese mxers with aluminium tanks. Two stroke classic Dirt Track...

Offline tmkiwi

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Re: RM500D Squish
« Reply #2 on: July 26, 2014, 06:22:21 pm »
Cheers for that. I was thinking abit more myself. I run my 300 at 1.2 so thought a little more would be normal.
The motor looks be be original. Will measure to see what it is.
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Offline oldyzman

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Re: RM500D Squish
« Reply #3 on: July 26, 2014, 08:43:46 pm »
Do you have a KTM300exc?
My 300 had about 2.3mm squish standard... soon reduced that
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I have a soft spot japanese mxers with aluminium tanks. Two stroke classic Dirt Track...

Offline tmkiwi

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Re: RM500D Squish
« Reply #4 on: July 27, 2014, 08:12:19 am »
Quote from: oldyzman on July 26, 2014, 08:43:46 pm
Do you have a KTM300exc?
My 300 had about 2.3mm squish standard... soon reduced that


No, I have a TM300. Been running it with 0.9mm on race gas but am changing back to 1.2mm so I can run on pump fuel.
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