IF Pro Circuit stayed on Honda: 2002/92 CR125 Build

MxKing809
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MxKing809
Edited Date/Time 7/13/2015 4:23pm
UPDATE: 7-11-15




Turing this thread into the build thread.... go to Page 3 for finished pics!!!
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GuyB
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GuyB 3/24/2015 5:58pm
3/24/2015 5:58pm Edited Date/Time 3/24/2015 5:59pm
Is that your wife's commentary in the second pic? Laughing
MxKing809
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MxKing809 3/24/2015 5:59pm
3/24/2015 5:59pm
GuyB wrote:
Is that your wife's commentary in the second pic? Laughing
Yes lmao, she was adamant I put that shot on here!
pete24
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pete24 3/24/2015 6:00pm
3/24/2015 6:00pm
02 motor with hpp top end?

The Shop

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MxKing809
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MxKing809 3/24/2015 6:01pm
3/24/2015 6:01pm
pete24 wrote:
02 motor with hpp top end?
Yes sir! 38mm PWK, Rad valve from a 94 (thanks RMartin!)
#991
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#991 3/24/2015 6:04pm
3/24/2015 6:04pm
What's a hpp top end? Blush
MxKing809
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MxKing809 3/24/2015 6:07pm
3/24/2015 6:07pm
#991 wrote:
What's a hpp top end? Blush
Yes...... does it not look like it?
Cygnus
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Cygnus 3/24/2015 6:08pm
3/24/2015 6:08pm
But did you you fit the 6 speed?
iro
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iro 3/24/2015 6:09pm
3/24/2015 6:09pm
What pipe are you using? I'm really thinking about doing this...
#991
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#991 3/24/2015 6:10pm
3/24/2015 6:10pm
#991 wrote:
What's a hpp top end? Blush
MxKing809 wrote:
Yes...... does it not look like it?
I'm asking what a hpp top end is because I have no clue. Care to enlighten me?
MxKing809
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MxKing809 3/24/2015 6:11pm
3/24/2015 6:11pm
Cygnus wrote:
But did you you fit the 6 speed?
No, went with the 5..... didn't want to get crazy Whistling Whistling Wink
MxKing809
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MxKing809 3/24/2015 6:12pm
3/24/2015 6:12pm
#991 wrote:
What's a hpp top end? Blush
MxKing809 wrote:
Yes...... does it not look like it?
#991 wrote:
I'm asking what a hpp top end is because I have no clue. Care to enlighten me?
HPP describes the powervalve style from 92-99 (?)
#991
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#991 3/24/2015 6:13pm
3/24/2015 6:13pm
MxKing809 wrote:
Yes...... does it not look like it?
#991 wrote:
I'm asking what a hpp top end is because I have no clue. Care to enlighten me?
MxKing809 wrote:
HPP describes the powervalve style from 92-99 (?)
You learn something new everyday. Thanks.
MxKing809
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MxKing809 3/24/2015 6:13pm
3/24/2015 6:13pm
iro wrote:
What pipe are you using? I'm really thinking about doing this...
Pro Circuit works for 05-07
Cygnus
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Cygnus 3/24/2015 6:24pm
3/24/2015 6:24pm
How about a hint of the chassis?
pete24
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pete24 3/24/2015 6:29pm
3/24/2015 6:29pm
hpp cr125 is still the best 125 motor ever made shame on anyone who doesnt know what it is
#991
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#991 3/24/2015 6:33pm
3/24/2015 6:33pm Edited Date/Time 3/24/2015 6:49pm
pete24 wrote:
hpp cr125 is still the best 125 motor ever made shame on anyone who doesnt know what it is
Not everyone's a Honda fan boy.

Good thing I have No shame.
MxKing809
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MxKing809 3/24/2015 6:35pm
3/24/2015 6:35pm
Cygnus wrote:
How about a hint of the chassis?
02 chassis with 250 Showa's. No pics yet!

Pit Row

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Cygnus
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Cygnus 3/24/2015 6:40pm
3/24/2015 6:40pm
Nice. Been thinking of a similar build with a 07-08 250f chassis.
slipdog
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slipdog 3/24/2015 6:42pm
3/24/2015 6:42pm Edited Date/Time 3/24/2015 6:42pm
pete24 wrote:
hpp cr125 is still the best 125 motor ever made shame on anyone who doesnt know what it is
I'm going to start collecting '95 CR 125s, my favorite of all time...
MxKing809
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MxKing809 3/24/2015 6:46pm
3/24/2015 6:46pm
#991 wrote:
I'm asking what a hpp top end is because I have no clue. Care to enlighten me?
MxKing809 wrote:
HPP describes the powervalve style from 92-99 (?)
#991 wrote:
You learn something new everyday. Thanks.
No worries!
MxKing809
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MxKing809 3/24/2015 6:47pm
3/24/2015 6:47pm
Cygnus wrote:
Nice. Been thinking of a similar build with a 07-08 250f chassis.
That would be ideal. I'm going to have pretty much the same thing with the showas except for the plastic
MxKing809
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MxKing809 3/24/2015 6:48pm
3/24/2015 6:48pm
pete24 wrote:
hpp cr125 is still the best 125 motor ever made shame on anyone who doesnt know what it is
slipdog wrote:
I'm going to start collecting '95 CR 125s, my favorite of all time...
The oldest cr I've ever ridden was an 03...... Blush
jerry atrick moto 3/24/2015 7:29pm
3/24/2015 7:29pm Edited Date/Time 3/24/2015 7:30pm
This is how i made the stock 02 fmf pipe fit mine. exhaust port angle on the head is different. I sliced the pipe but not all the way .. mounted the rear tab then tack welded to hold.

pipe after welded





counter sank power valve plates to clear rad hose 95 cylinder and head



Then went for the retro look. 02 cr125r built it for my 13 year old to replace his cr85 super mini.



reded
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reded 3/24/2015 8:07pm
3/24/2015 8:07pm
^^^^What he said!
The Source 3/24/2015 8:26pm
3/24/2015 8:26pm
MxKing809 wrote:
[img]https://p.vitalmx.com/photos/forums/2015/03/24/85022/s1200_20150324_205149.jpg[/img]


That's the stuff there, Could tear down and reassemble those in my sleep, We always ran a FMF fatty with a 1/2" section added at the flange weld. Very nice!
Moto Mofo
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Moto Mofo 3/24/2015 8:30pm
3/24/2015 8:30pm
MxKing809 wrote:
Yes sir! 38mm PWK, Rad valve from a 94 (thanks RMartin!)
What's the significance of the '94 rad valve vs. other years?
jeffro503
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jeffro503 3/24/2015 9:01pm
3/24/2015 9:01pm
Nice! King and Jerry both! I love these build threads!
Bruce372
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Bruce372 3/24/2015 9:07pm
3/24/2015 9:07pm
pete24 wrote:
02 motor with hpp top end?
MxKing809 wrote:
Yes sir! 38mm PWK, Rad valve from a 94 (thanks RMartin!)
I ran that carb on a 125 years ago and ended using #4 slide to get it running well, ive had it as a spare for years if anyone wants to try it!

The engine looks bitchen!!!!

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