NRG 140cc twin engine in progress.

Here's a few pics of my latest twin engine that I'm building, based on a nrg motor. Two Doppler S7r barrels, Doppler full circle cranks, I'll be using Doppler s3r pipes running on std 17.5 carbs. Just waiting for some machining from an engineer and it's almost ready to build up. Just need a Mc3 to put it in! If you know where there is a good nrg for sale let me know.

 

Nice. That reminds me of an old Kawasaki KH-based, four cylinder 2-stroke that Allen Millyard built in the late '70s that he called 'A Little Bit On The Side'. He eventually went all the way up to a 2300cc V12, based on two Z1300 engines!!

Here's the four cylinder:-

http://thekneeslider.com/two-allen-...e-kawasaki-h2-1000-4-and-a-kawasaki-h1-850-5/

I must admit that I have a major soft spot for Kawasaki triples from the '70s - the sound they made was unique and called to me like a Siren calling sailors onto the rocks...

Here's the V12:-

http://www.motorcyclistonline.com/features/v12_custom_kawasaki_2300cc/

*Drools*

 

Wow just... Wow

 

Whats the out put power on it

 

Not sure but they say each barrel will be between 10-14hp using the right bits, so who know's!

 

AWSOME

 

It will be a very fast I think u will be wheeling everywhere lol

 

How do you plan to join the two crankshafts together?

 

The joint is very simple and readily available to anyone!

 

sick mate !
Looking forward to what this is going to be
I got a Mc3 Frame left over but its already cut off on the back end.
hit me up if you're interested

 

Nice that. Should be a crazy little bike once its done Do you do much of the work on these yourself?

 

I did a lot more on my old 250 twin, much better to get the machining done by people who know how to machine/weld things properly! I'll just build it up when all the bits are done.

 

jesus chrust nice twin. hope you done it

 

Just a little update on the twin, had these exhaust flanges machined up, as you can see, the Doppler barrel has flat exhaust face where as the the doppler pipe and std Piaggio have cone ends. Just need to fit longer studs ! If anyone want's one then just let me know. ps, I've fitted the cranks with my joint and it turn's over perfect!

 

Finally got the pipes measured up and fitted, only needed a couple of tiny alterations to fit! It look's wide with the pipes side by side, I'd have liked the pipes "stacked" gp style but when fitted to the NRG frame I think it won't be to bad, probably 6-8" wider. Getting there slow but sure.
I'm still looking for NRG Mc3 for this project.

 

insane! hope you can find one soon

 

Just a thought about the pipes...............what about a two into one instead of two complete systems?

 

this is gonna be the dogs bolloxs . great job m8 cant wait to see the end result

 

I thought about 2 into 1 pipes but surely there not going to be as good as 2 separate pipes?

 

youre killing me here!!!