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2014-04-12 17.53.18.jpg

Honda CR250R (1987)


Owner: gfordboy90
Added on 30 December 2013


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"Vintage works" VRP Mugen Honda CR 125


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17 replies to this topic
  • nino

    TT Bronze Member

230 posts
Location: Switzerland
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Posted 03 June 2013 - 05:24 AM


Yesterday i finally finished reassembling my old racebike of 1991. The frame,swingarm,subframe and tank are all aluminium and were custom made by italian VRP (Verona Racing Parts). I stord this frame for 22 years in my dads basement and started rebuilding it about 2 years ago. Now i also changed tires and put some actual rubber on it. The ones that i removed have been for at least 17 years on those rims...and they seemed like pieces of stone. That was some intense work to get them off ;) So it is finally ready to hit a track. All that's missing right now is a Mugen cylinder which i will put on later on. But i first have to make sure that everything with that engine is fine. It has been sitting in a corner for 17 years untouched! I just changed the transmission oil and updated the carburetion but that's it.It sounds super crisp even though it only has a ported standard cylinder on right now. I used to do the porting on my own back then. The head has the "Mugen" combustion chamber and elevated compression and the cylinder got some port job as well...but i don't even remember what exactly was done.I didn't touch this engine for 17 years!

I used this bike for the swiss championships and for GP qualifications as well. Back then i tried to enter the world championship races. That's was still possible 20 years ago where you had qualifications and usually about 150 riders showing up. Nowadays only accepted teams can send their riders. Back then the top 5 of each country were eligible and could ask for a world championship licence of the FMI and try to qualify at the races.

Anyway - here is my VRP Mugen Honda of 1991:
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3 generations in my garage right now:
On the left VRP 1991, in the middle my '98 125 also with Mugen engine and to the right my recent "2012" CR 125 AF also with Mugen engine
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And here's some pics of the bare frame before i started reassembling:
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And one of these Mugens kits will finally be put on it (the others are already mounted on my other bikes and that spare engine below:
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'99 engine just completely rebuilt:
http://img94.imagesh...9mugenmotor.jpg
  • K-dogg, magpie5 and slammedmind like this

  • Monk
13,611 posts
Location: British Columbia
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Posted 03 June 2013 - 05:44 AM


Very cool!

  • frdbtr

    TT Addict

3,150 posts
Location: Utah
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Posted 03 June 2013 - 07:09 AM


Love it!

  • 02overland

    TT Bronze Member

168 posts
Location: Nebraska

Posted 03 June 2013 - 07:45 AM


So awesome love those 125's

  • ove

    TT Bronze Member

445 posts
Location: Norway

Posted 03 June 2013 - 11:09 AM


Wow!!
True work of art there!
In the old days before every bike had an alu frame, these was so trick it was unreal
I had the alu sub frame on my 1990 CR250 from "On The Line Racing". (Made by VRP)
Sweet bike Nino!! :thumbsup:

  • plynn41

    TT Bronze Member

488 posts
Location: Arkansas

Posted 03 June 2013 - 11:15 AM


Sweeeeet!

  • nino

    TT Bronze Member

230 posts
Location: Switzerland
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Posted 01 April 2014 - 10:21 AM


it took me almost two years...but last week i finally installed the 1990 Mugen kit on my VRP just as i had it back then.

 

Now the beauty is finished and ready to go.

13453244045_cb6883c475_b.jpg
 

13453608324_d46eae52ff_b.jpg
 

13453607894_66cb88db36_b.jpg
 

...and it's sound is also not that bad: :thumbsup: :thumbsup:

 

So now i have my three 125s back together, all with old, HPP Mugen engines

13483438533_936d6a3e82_b.jpg
 

13483440613_78db111469_b.jpg
 

left to right: 1991 VRP with 1990 Mugen, '98 CR 125 with 1991 Mugen, CR 125 AF (CRF frame) with 1990 Mugen

13483689804_a4f6603be7_b.jpg
 


Edited by nino, 01 April 2014 - 10:50 AM.

  • 2-Strokes_Only, Alan48 and slammedmind like this

  • downonmonday
3,919 posts
Location: Illinois

Posted 01 April 2014 - 06:52 PM


Amazing amazing amazing!!!!

  • BigDaddy94

    TT Bronze Member

167 posts

Posted 01 April 2014 - 07:07 PM


Great looking bikes man

  • J-train

    TT Member

88 posts
Location: California
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Posted 01 April 2014 - 09:22 PM


very cool bikes



  • ecky89

    TT Newbie

1 posts
Location: United Kingdom
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Posted 13 April 2014 - 03:10 AM


So COOL!!!!   Old School Two Stroke Rules!!!! :thumbsup:  :thumbsup:  :thumbsup: :thumbsup:  



  • Fliwtgy

    TT Newbie

10 posts
Location: California

Posted 13 April 2014 - 09:11 AM


Awesome work on keeping Mugen alive! They all look beautiful. I love the look of the 98 in the mix too. 98 is an interesting chassis choice as that year got a bad rep. I have a 98 250 which has the same frame with dialed-in suspension  and in deep sand or mud or rough-choppy surfaces that thing is rock-solid. Where did you get the graphics and seat cover for the 98?



  • nino

    TT Bronze Member

230 posts
Location: Switzerland
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Posted 13 April 2014 - 12:54 PM


Awesome work on keeping Mugen alive! They all look beautiful. I love the look of the 98 in the mix too. 98 is an interesting chassis choice as that year got a bad rep. I have a 98 250 which has the same frame with dialed-in suspension  and in deep sand or mud or rough-choppy surfaces that thing is rock-solid. Where did you get the graphics and seat cover for the 98?

Correct-all that's needed on those rigid , old aluminium chassis is some very good suspension.

For the graphics you can find them in Italy from Cemoto:

http://www.cemoto.it...a=#.U0r4v8c4o9k

 

The seatcover however is an original of 100% i found on ebay.



  • englertracing

    TT Ti Clavicle Member

1,896 posts
Location: California
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Posted 13 April 2014 - 11:18 PM


awsome. how much does the 125 weigh?

can i see more pictures of the 09 af?

i believe those are the same 09 world championship graphics i have!



  • Fliwtgy

    TT Newbie

10 posts
Location: California

Posted 14 April 2014 - 11:00 AM


Nino thanks for the Cemoto link!



  • nino

    TT Bronze Member

230 posts
Location: Switzerland
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Posted 14 April 2014 - 11:24 AM


awsome. how much does the 125 weigh?

can i see more pictures of the 09 af?

i believe those are the same 09 world championship graphics i have!

The aluminium chassis of the VRP wasn't any lighter than the stock steel frame BUT it was way stiffer. It changed the way the bike handled and the suspension would work much,much better in that frame.

 

There is a whole thread on that other bike here:

http://www.thumperta...-mugen-powered/

 

My Mugen 125 AF: Basically the same old engine (in the picture below it has a '91 Mugen while actually i'm using it with a '90 Mugen as well right now), but mounted in a modern CRF chassis and up-to-date suspension. It's on this bike where i shaved some serious weight without going too crazy. I was able to shed 10 lbs ! It's now about 26 lbs lighter than a 250 CRF ;)

9426047325_907dda07b6_b.jpg
 


  • slammedmind likes this

  • englertracing

    TT Ti Clavicle Member

1,896 posts
Location: California
Garage View Garage

Posted Yesterday, 01:04 AM


how does the 09 handle at 40lbs less than a crf450?

i bet the stink bug effect is gone! :)

 

im not a fan of 125s but these bikes are seriously AWSOME!!  i dont know which one i like best.



  • nino

    TT Bronze Member

230 posts
Location: Switzerland
Garage View Garage

Posted Yesterday, 01:28 AM


how does the 09 handle at 40lbs less than a crf450?

i bet the stink bug effect is gone! :)

 

im not a fan of 125s but these bikes are seriously AWSOME!!  i dont know which one i like best.

Well - i quit racing championships in '98 and kept my CR 125 '98 just to have a bike to ride here and there. I actually used my '98 until end of 2011. That's when i tried a KTM 350 of a good friend and i couldn't believe how well that KTM felt. It handled well, cornered on a dime, had awesome brakes, hydraulic clutch...i really felt like my 125 Honda was vintage iron. As a true Honda-rider for almost all my career i had a hard time to actually go orange but that's what i did since all 250Fs i tried were no option.Too boring, no fun at all. 450s too heavy and too much power...so the 350 just did the trick.

I got a new 2012 and used it during that season BUT honestly never got accustomed to riding the thumper. When i got the option to buy that AF i immediately jumped upon the occasion and never regret going back to 125s !!! Riding a thumper really feels like having a big, heavy Paris-Dakar gas tank on your bike. The young guys these days that never actually rode a twostroke have a hard time to undertstand but a twostroke is so much more fun to ride. My 125 is so light and nimble it blows your mind. I can throw it around and attack corners in a way it wasn't possible with the heavy thumper. I tried a '14 250 CRF of a friend of mine just about 2 months ago and although it is a nice bike and so easy to ride...i told my friend that i almost fell asleep on it. Really! A 250F to me is just boring. Electric power, no arm ripping, berm crushing power, just boring (but at the same time effective). Riding a twostroke however gets me smile all over my face. Sure - on hard, slick surfaces you are at a disadvantage looking for traction...BUT as soon as you have some traction a light 2-stroke is so much fun. My bike let's you attack corners and brake so late going into them...unreal. Where the 450s lift the throttle i'm still on the gas ;) Since corner speed and late braking are it's strong points i tried to concentrate on some weight savings to further enhance it's strong points.

 

Less weigth can be felt FOUR times:

-faster acceleration

-you can brake later

-higher corner speed

-a lighter bike is much easier to ride. It tires you way less. If your bike goes sideways you just have to think about to get it back straight while a big and heavy bike needs some heavy rider input to get it back on track.

 

More power on the other hand helps you just in acceleration and down the straights.


Edited by nino, Yesterday, 01:11 PM.






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