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LegendsRacer - Legends & Bandolero Racing Forum
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stock compression of a fj120o
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Topic: stock compression of a fj120o (Read 5252 times)
slack11
Sr. Member
Posts: 261
stock compression of a fj120o
«
on:
February 18, 2012, 05:24:18 pm »
Just curious, what is the stock compression of a 1200, if it just came out of a bike.
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VMS Motorsports
Global Moderator
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Posts: 3524
Re: stock compression of a fj120o
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Reply #1 on:
February 18, 2012, 05:39:59 pm »
Depends on how the bike was taken care of for 20 years.
Not being a smart ass, but the numbers will vary greatly
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JIM BUCHER
VMS Motorsports
Worldwide Legends Parts Supplier
(262)255-7100
http://www.vmsmotorsports.com/
slack11
Sr. Member
Posts: 261
Re: stock compression of a fj120o
«
Reply #2 on:
February 18, 2012, 09:05:56 pm »
Just wondering if we run these at a lot more compression than stock, or if the 165 is comparable to a stock motor. Not looking for particulars, just a general idea.
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VMS Motorsports
Global Moderator
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Posts: 3524
Re: stock compression of a fj120o
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Reply #3 on:
February 18, 2012, 10:49:50 pm »
I believe stock they were in the 180 range. 165 was definately de-tuning them
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JIM BUCHER
VMS Motorsports
Worldwide Legends Parts Supplier
(262)255-7100
http://www.vmsmotorsports.com/
Racinjj
Sr. Member
Posts: 482
Re: stock compression of a fj120o
«
Reply #4 on:
February 20, 2012, 09:42:21 pm »
Jim is correct, I had a good stock motor in the bike and it was 180 across.
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www.JeffSteenbergen.com
Racecar spelled backwards is racecar. Racecar upside down is expensive.
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stock compression of a fj120o
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