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It's been more than 6 months. I bought them at the start of the engine build. I ended up doing lots of things like port and polishing, plumbed for external oil filter and cooler, "oil filter" delete, turned down the flywheel and rotating mass... Other stuff too and it took a while. Now I've...

So if I try to use these, I'm on my own for jets and may not even be able to find them. Even if I do, I'm likely not going to be able to tune it because I should have gotten 28mm... is that what your saying?

What do you think? Fake?

That would be my luck

Re: Jets in 30mm flat slides on a 378? Well I'm dumb. They are keihin pwk 30

Re: Jets in 30mm flat slides on a 378? Yes they're new. I hope they're not copies for the price. They are still in the shipping box in the shop. I'll go out and take some pics

Re: Jets in 30mm flat slides on a 378? Well that's not good news. I accidentally bought 32mm flat slides first. When they showed up I bought the 30s. (Sigh) what jets did you end up using in your 28s? I guess I'll be shopping later.

I've built a 378 out of my cb360. I bought some Mikuni 30mm flat slides. Looking for a base line for jets. Edit: I was dumb. They are Keihin PWK30

Well I ordered some 30mm carbs since irk Miller pointed out 32s are too big. I also ordered a cable for a Polaris. I hope the carb ends will fit pwks since the snowmobile uses Mikuni vms. I went digging through my parts shelves and found an old throttle cable. It's about 1/2" longer than the...

Well shit! I measured the inside of the carbs with a caliper, but of course only the end. I may have to go shopping again

Yup. Right now the bike has another motor in it and runs. When I find a throttle cable it's time to swap. I have everything else ready, although i would like to find a better option for the oil filter. The one i have uses a small car filter. Id like to find a smaller block for a tiny spin on...

It isn't a stock motor. It's a 378 with ported polished heads, oversized valves w/ 3 angle, internal oil filer deleted, plumbed to external oil filter and cooler, added oil pasages for cam journals, and a lot of mass machined off rotating parts. Also, the stock carbs are 32mm

I really want to install this pair of flat slides on the 360. I'm having trouble finding a cable or someone to make them. Motion Pro quoted me $175-$325 for chrome cables which I find ridiculous. I started thinking about snow mobile cables cause they have to 1 into 2 setup. Mikes XS has one...

Nice. Now I know what to do. Vapor blasting is the way to go.

I thought this would generate more discussion about building intakes and exhaust... especially with the link to the calculator. first time I was wrong.

Thanks 4 stroker. The specs I found came from here. https://drive.google.com/file/d/0B8RLEMngUB63bEZGc2tJNW5ZSGc/edit I did think those numbers looked odd. I plugged in what numbers I had and the output for intake length was very close to what Sonreir came up with in a post I can't find now. (I...

So I was thinking about making some pipes. I'm going to a lot of troble to build this engine, i want pipes too. I decided it would be better to start with science to get me in the ball park and move on to the art of pipe building from there. Unfortunately, there are many values I don't have and...

Good look'in bike. I look forward to seeing the progress.

Nope. No lights, no clocks, nothing that doesn't make it go or stop and pass inspection. Alternator, regulator/rectifier, ignition coils, head light, integrated tail light, and micro front turn signals. That is all of my electrics. I think I might have time to tinker with it tomorrow I hope...

White and yellow are just connected together stock. Why they do this at the end of the wire harness instead of the alternator, I have no idea. But you can just wire them together and then hook up the rectifier. The rectifier takes the a/ signal from the alternator and turns it into dc with...