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Post Info TOPIC: FAST DT


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FAST DT
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-- Edited by Calum122 on Sunday 8th of September 2013 12:39:27 PM

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Thats not a dtr. Is it fook!

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DT engine ;)



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its a dt engine in a 50 frame i think it was posted once before


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think its a crm 50 frame


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This Honda CRM 50 was our first bike with gearbox, almost 19 years ago, so it has a very special meaning for both of us.
The bike suffered some evolutions all over the years, since a 62.5cc kit, then a 100cc and finally the engine swap.
We've decided to try tuning a very famous engine in Portugal, the Yamaha DTR 125 trail bike, which only has around 28hp stock.
After the engine tuning, this engine fit on the Honda CRM chassis, is capable of great performances and acceleration, almost as fast as modern supermoto 4-Stroke bikes.





Piston: WISECO
Stroke: -
Connecting Rod: WISECO HotRods
Cylinder: 198º exhaust, 134º transfer
Cylinder Head: 13.4:1 CR
Radiator: 2 x Yamaha DTR 125
Reeds: VFORCE 2 Honda CR 125
Carburetor: Mikuni TM38 bored 41mm
Air Filter: -
Electrics: LUFO Racing
Clutch: Reinforced
Silencer: LUFO Racing
Exhaust: LUFO RACING made in Portugal
Oil: Castrol TTS / ELF HTX / Castrol A747 @ 2,5%
Engine MAX RPM: ~12 800rpm
Crankshaft - ConnRod Attack Angle: 76.17º
Linear Piston Movement: 22.5 meters/second
Number of Explosions per second: 217
Gaps Gears: 57.35% | 32.44% | 19.84% | 14.16% | 9.10%
Wheels: Grimeca Honda NS1 2.5' & 3.0'
Tires: Dunlop Slick 90/70x17' & 115/70x17'
Brakes: Yamaha RD 350 & double NS1 rotors
Braking system: stainless steal
Frame: Stock heavily modified
Suspension: Gilera Chrono 125
Swingarm: Honda XR 600
Chain: 420
Steering Damper: 3 regulations
Fenders: Rear Honda CR 250R

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Yeah but that's bull. The dt doesn't pull anything near 28 bhp

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And whats the point in tuning a dt?

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shotti wrote:

And whats the point in tuning a dt?


 Whats the point in tuning anything. 

 

Sense of achievement. 

To get more power out if it. 

To impress people. 

To learn about engines. 

To practice. 

Enjoyment. 

 

Yeah alright. Get a bigger bike. Well done. But it's not always about bigger. Sometimes it's just because we can. After all. We can't reinvent the wheel. But you can change the diameter. 



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That sounds sexual.

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Calum122 wrote:
shotti wrote:

And whats the point in tuning a dt?


 Whats the point in tuning anything. 

 

Sense of achievement. 

To get more power out if it. 

To impress people. 

To learn about engines. 

To practice. 

Enjoyment. 

 

Yeah alright. Get a bigger bike. Well done. But it's not always about bigger. Sometimes it's just because we can. After all. We can't reinvent the wheel. But you can change the diameter. 


 

 

Ark at Prophet Cal over here



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You knows blud!

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Calum122 wrote:
shotti wrote:

And whats the point in tuning a dt?


 Whats the point in tuning anything. 

 

Sense of achievement. 

To get more power out if it. 

To impress people. 

To learn about engines. 

To practice. 

Enjoyment. 

 

Yeah alright. Get a bigger bike. Well done. But it's not always about bigger. Sometimes it's just because we can. After all. We can't reinvent the wheel. But you can change the diameter. 


Didn't you just buy a yz 125 hmmmm lol

It's a nice 125 perfect for what it's made for and i love mine

But it's so slow compared to anything with real hp 



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Yeah. But the yz isn't road legal. And is still a 125.

Like i said for me it's just a project. Summit to fook about with in the garage. You'll never match the power of that yz. It's just a different breed of engine/frame/chasis.

Speaking if which me and my bro took it sown to ashdown mx track. Got some sick ass videos.

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Get those vids up then cal!

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Yeah mate. Trying too. Wanted to edit it all properly. Get it all legit. FÙCK ME THAT's hard! Really crap at editing.

But as soon as i get a few free hours. Will get it chopped up. It's about 9 gigabytes of High definition video that needs sorting and shifting... Using Windows Movie Maker. Yay.

But no seriously. Will sort it out ASAP.

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