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GSX 400e Newbie Cafe Build

  • Thread starter Thread starter Swindy 84
  • Start date Start date
Yeah mate I did post them in the original largest format but for some reason just recently they've gone to a thumbnail. I'm not sure why
 
Finally got the Piston kits, also bought some nicer chrome rear springs. The cylinders have gone in for re-boring and should be back this week. I almost bought new carburetors but have decided to just rebuild the originals for now, so if anyone knows a good place to get parts for the Mikuni BS34SS Carbs please let me know. I know you can't get full rebuild kits for them anymore from Mikuni so I might have to get it bit by bit from cmsnl.com or what ever it is. Also still looking to get that bigger rear wheel so depending on price I might just get some made up.

image hosting 30 mb
 
Mate find the part numbers you need and get them ordered from Mick Hone. It will be way cheaper than cmsnl! Postage is pretty cheap. I've got another bunch of bits for the Kat arriving this week in fact...
 
Thanks Pete, I had a chat to a bloke and decided to buy some GS500 carbs off a 2001. They shouldn't be a huge muck around to fit and apparently will work well with the bigger (slightly) pistons. Plus it is a lot easier to find parts for these carbs.
 
Good stuff Chris, that's exactly what I have on my 450 and I love 'em! The inlet is so much larger than any of the 400/450 carbs and they're so much lighter. They seem to be pretty good for CV carbs.

I would highly recommend skipping pods and going to velocity stacks. From memory 60mm ID stacks are required and I think these are the ones I bought:

http://www.jntperformance.com.au/index_i6515601.html?catId=269035

There was a bit of stuffing around getting them mounted as I had to shorten the stacks a bit to clear the frame rails and then slot them to be able to clamp them down. Because they're shortened the inside diameter ended up a little too large so I made some shims out of thin aluminium sheet to allow them to clamp down securely.

Here's the only photo I can find from when I had them sorted out initially, but I have since added some filter foam over the top:



I got a sheet of filter material with stainless steel mesh from Ramair in the UK via eBay, very inexpensive for two stage filter material:

http://www.ebay.com.au/itm/Universa...329800?hash=item20fde0ecc8:g:XL8AAOSwDNdVhW5i

If you want to have a look in person I'm sure we can sort something out... the stacks have smoothed the throttle response out compared to the pods I initially had on there and it's been much easier to get the carbs to where I think they're jetted reasonably well.
 
Hello again I have failed to give any updates, just moved house and finally got a garage to work on the bike myself.
I have the engine back now, have carbs off a GS500 and managed to get some 2010 GSXR 1000 Forks for a very decent price. I am still trying to figure out what to do with the back wheel.....Either buy a complete back end, swing arm, wheel, disc and all that OR some how find a wheel and tyre that fits nicely into the original swing arm. I can't have a thin cheese cutting rim they look like pushbike wheels!
 
You can use a rear wheel from a Bandit 400 pretty easily. They look almost identical to a GS500 wheel, but the GS500 wheel would require some machining to the sprocket carrier to get the chain to line up.
 
Update

Update

Back again, SCRAP the GSXR forks I have sold them and got a donor bike. Front end should go on pretty easily due to same bearings and the steering pin is the same size but 2cms shorter. Back end will hopefully go on with a bit of chopping, cutting and grinding....I will leave that to the expert. Pictures will be up once it is done. Tank and tail to be painted, seat is at the upholsterers, Carby kits at home plus a few other things...HOW DEAR IS A PETCOCK?!?! Well I needed a new one.
Should be able to make a bit of cash back stripping the donor bike down and getting rid of bits here and there (even had Yoshimura Exhaust on it) so we will just see what happens from here. Until Next Time!
 
Tank and seat fitted.

2cegdg9.jpg
 
Side on view, rear shocks were not mounted at the time as you can see.
6edyd4.jpg
 
That is coming along very nicely!

What was the donor bike you pulled the front forks and swingarm off of? Looking to do a similar transfer on my bike and was curious what bolted up well.

Great work!
 
That is coming along very nicely!

What was the donor bike you pulled the front forks and swingarm off of? Looking to do a similar transfer on my bike and was curious what bolted up well.

Great work!

Hey,
it's all from a 2013 Hyosung gt650r. The steering stem was just short of 2cm's so it has been pushed up the bottom triple clamp to suit with a bit of a sleeve made up to hold it all tight. There's that much meat on the triple clamp it was all safe to do so.
The swing arm was a little trickier, it was catching on the frame so the frame had to be heated up and knocked in a touch so there was free movement and nothing was going to touch. I had to get a 16 tooth 525 chain front sprocket which basically gets the middle cut out and the teeth refitted to the original middle of the Suzuki sprocket with a 16mm displacement so front a rear sprocket are inline with enough room for the chain. Hardest part is over now so its just the electrical tray, battery box and fitting the Hyosung foot pegs and levers left to do when it comes to cutting and welding.
 
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