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Post by thxcuz on Mar 7, 2017 22:34:20 GMT -5
For those of you who haven't been following along, I recently underestemated how weird Chinese scooters can be, especially in the B case world. I got this engine from my local scoot shop. It's been sitting around his shop and he was glad to be rid of it  Maybe it will work for my scoot, maybe not. It isn't a direct bolt on due to the fact my scoot has a disc brake and this has a drum. But if the head fits, I'm better off than I have been. One delemmia is that my scoot is an xy157qmj-3 and this engine is LB1P57QMJ However they are both 2 bolt valve cover heads so I'm keeping my fingers crossed it will all match up. I have learned from experience that even though MOST of the time the engine numbers are pretty good clue to what parts it is made up of, that isn't always the case. As in this case....as in B case. |
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Post by oldchopperguy on Mar 7, 2017 23:41:57 GMT -5
Welcome to the site! Have a bone on The Old Chopper Guy for going for an engine swap!
I haven't worked on a 150 for years so my knowledge is not current, but PLEASE, others with more savvy please chime in here...
My only 150 was a 2007 Xingyue "Eagle" which is pretty much the "poster-child" for "generic Chinese 150"... It too had a rear disk-brake, and I remember it also had the drum-brake fitting cast into the LEFT side of the belt case like your new motor assembly. My DISK brake was on the RIGHT side, bolted to the wheel rim like the front disk. The rim would have to accept the disk. It seems likely you could either get a rear-rim with a drum, and use the drum-brake already on your motor, use your rear-rim which accepts a disk. Since your scoot already has a rear disk, it has the caliper ready to go, so I'd see if it's feasible to simply remove the shoes from your new one and bolt it up.
You're RIGHT about these things being "non-standard"... LOL! But... I'm betting you can put this new motor in your scoot and still use your factory disk-brake without too much modding. Hope so!
Please do keep us posted, as this may be an engine-replacement procedure others may want to do, should they find a similar engine assembly.
Ride safe!
Leo in Texas
PS: If you can use your original caliper and disk, you might want to install new pads while it's apart. Mine wore thin, and suddenly the rear brake just stopped working with no warning! New pads fixed it. Apparently when the pads reach a certain wear-point, they just won't engage the disk anymore.
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Post by thxcuz on Mar 7, 2017 23:57:09 GMT -5
On my scoot The disc is on the left. It's supposed to be an improvement so the heat from the pipe won't damage the disc.  |
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Post by thxcuz on Mar 8, 2017 10:52:56 GMT -5
I took a quick look at the engine today and I noticed the xingyue logo on the head. So that's something
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Post by thxcuz on Mar 9, 2017 10:54:09 GMT -5
I find this amusing. The engine shroud has a little peep hole so you can see the xingyue logo.  Just in case you were worried it wasn't Chinese |
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Post by SylvreKat on Mar 10, 2017 8:00:40 GMT -5
I find this amusing. The engine shroud has a little peep hole so you can see the xingyue logo. Just in case you were worried it wasn't Chinese Yeah, that would be my concern, that it wasn't genuine Chinese.  >'Kat |
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Post by thxcuz on Mar 10, 2017 13:29:58 GMT -5
All holes line up! First obstacle -overcame
Monday we'll see if the timing chain is long enough.
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Post by SylvreKat on Mar 10, 2017 20:08:46 GMT -5
All holes line up! First obstacle -overcame Monday we'll see if the timing chain is long enough. YIPPEE!!!!!  Always super nice when the first thing works out! >'Kat |
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