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Joined
11/22/2010
Location
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dogger315
2/11/2012 8:53am
2/11/2012 8:53am
Edited Date/Time
11/28/2014 11:23am
A few months ago, I finished my Aluminum framed CR500 project. My goal was to try to create a
CR500 like Team Honda would field if the open class was still around today. I started work about
a year ago with the engine build. I decided to go with a 2000 for the cases and cylinder. Here are
some of the details:
Close ratio transmission
Crankworks balanced crankshaft
REM Isotropic finish on all bottom end internals
Hinson clutch basket
Eric Gorr Mo-Betta cylinder and head work
Wiseco piston
VForce 3 reed
Keihin 38mm quad vent air striker PWK
2000 CR250 ignition stator and flywheel
Vortex programmable multi map digital ignition controller
Here are a few pictures:
For the frame, I settled on a 2008 CRF250R. IMO, the 08-09 were/are the best balanced and best handling
of the CRFs. I purchased a frame and swingarm from a Honda dealer that was parting the bike right out of
the crate.
I sent the frame out to have the modifications needed (cradle and downtube) to fit the 500 engine.
For suspension, I went with Pro Circuit works Showas
Pro Circuit also supplied the triple clamps and steering dampner modifications.
For wheels, I laced Takasago Excel rims to OE hubs I turned down with a lathe to eliminate the casting
grain, then powdercoated with a base coat clear coat process. For spokes, I used Excel spline drives.
Tires are Dunlop 756 RRs with Dunlop heavy duty tubes.
The bike was put on a Titanium diet to make up for the weight gains from the works suspension and
billet cradle. Dry weight is in the ballpark of a stock CRF250R.
The bike is an arm stretcher - but it's a hoot to ride.
Here are some pictures of it finished. Thanks for looking.
dogger
CR500 like Team Honda would field if the open class was still around today. I started work about
a year ago with the engine build. I decided to go with a 2000 for the cases and cylinder. Here are
some of the details:
Close ratio transmission
Crankworks balanced crankshaft
REM Isotropic finish on all bottom end internals
Hinson clutch basket
Eric Gorr Mo-Betta cylinder and head work
Wiseco piston
VForce 3 reed
Keihin 38mm quad vent air striker PWK
2000 CR250 ignition stator and flywheel
Vortex programmable multi map digital ignition controller
Here are a few pictures:
For the frame, I settled on a 2008 CRF250R. IMO, the 08-09 were/are the best balanced and best handling
of the CRFs. I purchased a frame and swingarm from a Honda dealer that was parting the bike right out of
the crate.
I sent the frame out to have the modifications needed (cradle and downtube) to fit the 500 engine.
For suspension, I went with Pro Circuit works Showas
Pro Circuit also supplied the triple clamps and steering dampner modifications.
For wheels, I laced Takasago Excel rims to OE hubs I turned down with a lathe to eliminate the casting
grain, then powdercoated with a base coat clear coat process. For spokes, I used Excel spline drives.
Tires are Dunlop 756 RRs with Dunlop heavy duty tubes.
The bike was put on a Titanium diet to make up for the weight gains from the works suspension and
billet cradle. Dry weight is in the ballpark of a stock CRF250R.
The bike is an arm stretcher - but it's a hoot to ride.
Here are some pictures of it finished. Thanks for looking.
dogger
The Shop
Very clean and understated...businesslike.
I'm sure that some will start calling for black rims, but I think that Honda's are the one of the few that can look equally good with polished rims.
More details on the handling please!
In a perfect world, RC would come back, do a marine bootcamp thing, get 2 of those,
and win the outdoors.
As a privateer.
Who did the frame mods for you?
Don't these 500's wear you out quick though?
I'd imagine with some massaging these bikes could be 450 killers (detuned properly)
If you haven't seen Don's other work:
Pit Row
Same with the older Elsinores.
Sure do like the 78/79 CR250...
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