'87 Honda NSR250 'ELF Special'
- Thread starter Moa
- Start date
looking good, shame about the breakage 
Moa
Been Around the Block
Thanks Andy. Yeah it's a shame, but now I'm wondering if it's weldable. In theory you should be able to fill the chip with weld, then drill, tap, and machine it. I really don't know much about welding though, so I'm not sure what would happen in regard to cylinder warpage.
stroker crazy
crazy as a fox
If you hadn't have broken it in the first place you wouldn't have experienced the happiness you felt when it was fixed!
Crazy
Crazy
stroker crazy
crazy as a fox
Definitely the goods!
Crazy
Crazy
Moa
Been Around the Block
I've been spending a lot of time in Photoshop fiddling around with fairings. I've tried various Tyga models, but they all look a bit too modern, and the nose sticks out too far for my liking.
I think this 1992 RS250 is a beautiful design. It will need some modifying to make it work though. The main problem is it's too short for the taller NSR front end.
Here's the fairing on my bike, with a piece added in the middle to increase the height. The bottom image shows a more substantial modification to bring the front closer to the wheel and give a nicer finish.
Crappy photoshop of the front. The stock light is going to be retained, and a clear cover will be built into the fairing.
I think it's safe to say it will be an improvement on this.
I think this 1992 RS250 is a beautiful design. It will need some modifying to make it work though. The main problem is it's too short for the taller NSR front end.
Here's the fairing on my bike, with a piece added in the middle to increase the height. The bottom image shows a more substantial modification to bring the front closer to the wheel and give a nicer finish.
Crappy photoshop of the front. The stock light is going to be retained, and a clear cover will be built into the fairing.
I think it's safe to say it will be an improvement on this.
Moa
Been Around the Block
Stripped the motor. Crank looks to be very good in this one. New seals, and all bearings turn smoothly and silently.
One very good barrel from the motor:
Other good parts I may eventually swap to my bike include:
- Larger 32mm carbs, with air correction circuit (see pic below)
- Better swingarm to fit wider rear tyre.
- Wiring loom with PGM II control unit.
- Less restrictive expansion chambers.
One very good barrel from the motor:
Other good parts I may eventually swap to my bike include:
- Larger 32mm carbs, with air correction circuit (see pic below)
- Better swingarm to fit wider rear tyre.
- Wiring loom with PGM II control unit.
- Less restrictive expansion chambers.
crazypj
Split personality, I fake being smart
It's pretty easy and relatively cheap to get cylinders re-plated if you don't need any welding from catastrophic piston/crank damage to them.
You'll probably need to get a dirt bike magazine to find places offering re-plating services.
Usually done for less than $200.00 including shipping
You'll probably need to get a dirt bike magazine to find places offering re-plating services.
Usually done for less than $200.00 including shipping
Moa
Been Around the Block
crazypj said:
Bear in mind that I am in New Zealand. There's only one place that does it here so far as I can tell. They quoted me $850 for two. Thankfully, I was able to salvage one good barrel from my old motor and one from the spare motor. They look to have a reasonable amount of life left in them.
Then again if re-plating is as cheap as you say, I could always send them stateside to get done. Even with international shipping, there could be big savings.
stroker crazy
crazy as a fox
I'm very much interested in this plating issue. This is presuming we're all talking about Nikasil. Here in Oz we are not overwhelmed with plating options, and I may need some work done on the RaZoR.
Crazy
Crazy
