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Cr500 engine mods

November 26 2002 at 4:19 AM
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Chris 

 
What mods have you made to your 500?
1. 38mm mikuni carb (need a bigger one)
2. Boysen rad valve.
3. advanced timing.
4. shaved head.
5. electric start (drag only)
6. was running alcohol
7. later model cdi, dont know what year.

 
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Chris

Re: Cr500 engine mods

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November 26 2002, 4:21 AM 

and a FMF pipe all on a 86 500.
here is a pic.

http://www.3wheeler.org/vb/showthread.php?s=&threadid=4180

 
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morph

Re: Cr500 engine mods

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November 27 2002, 7:29 AM 

86 model in 2001 bike
1.ct racing alcy drag porting
2.2001 head machine face and squish band to give 13:1 comp.(spare alcy head aprox 15:1 comp)
3.bored 1.75 over pro x piston
4.port matched cases
5.41mm pwk pro series carb
6.cr250 ignition
7.stock pipe and reeds for now.
8.2001 spec talon billet clutch
9.late model clutch cover
10.runs 98 octane unleaded 32:1 castrol R2
11.suspension revalved to suit
12.14/46 gearing

a stocker is a pig compared to this tractor.
i use it for trail/dunes/d grade mx.
and for chucking rocks at my mates.

 
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