Shanghai Jmstar mystery canister By poppawelee (Read 833 times)

[poppawelee]

Hi all. I’m working on a 2008 Shanghai Jmstar ‘Gator’ 150CC with a long GY6 clone engine. There is a black plastic canister about 2” diameter, 5” long with 3 lines to the canister top. 1 vapor from the top of fuel tank, 1 vapor from fuel pump ‘T’ and 1 to the air cleaner case. Question 1: There are two nipples off the bottom of the canister, one large one small. Any idea where these are to be connected? Question 2: There is a hose coming from the Valve Cover. Any idea where this is to be connected? Thanks in advance for your time and consideration.

[rks]

This is not a direct answer to question number one...but I removed the canister along with a bunch of hose, and other unnecessary crap, as soon as the scooter was removed from it's shipping crate. The fuel tank vent line was zip tied up on the frame, with a gas filter on the end to keep crap out.

The crankcase vent tube coming from the valve cover, connects to the air filter box. You can do the same thing with that hose, if original air filter system has been changed to a K&N, or similar type aftermarket product.

Both of these lines need to breathe......everything else can go.

[poppawelee]

Thank you rks, I appreciate the feedback. I've only done a TLC job on a 2006(or 08) Sunl scooter so this canister was an unknown to me.

[rks]

Mine also had a couple of places that looked as tho something should be hooked to them. You can see that in this picture



But as I said....I removed all that stuff before I started the scooter for the first time. Not only a less cluttered engine bay, but a more dependable fuel/air delivery system.

[cyborg]

Geez rks the engine bay on your scoot is cleaner than my bedroom,,,holy smokes

[rks]

Probably only had a hundred or so miles on it when that was taken. I meant to take the "after" shot, before putting the plastics back on, but forgot to. Couldn't believe how many feet of hose I pulled out of that area.

Fast forward three years and add 6400 miles.....engine bay might not be quite as clean today, but it's not a pig pen either, and it is running....oh so fine.