|
|
Post by elusiveone on May 24, 2011 18:55:56 GMT -5
Been searchin for a guide or some basic instructions to replace my crank in my Peace 50 139qmb and have yet to find one.
Anyone help me out?
|
|
|
|
Post by Fox on May 24, 2011 19:22:49 GMT -5
I think if it's got a lot of miles on it you are better off buying a whole new engine. It's less risky that way and a helluva lot less work. www.pccmotor.com/moen.html |
|
|
|
Post by 90GTVert on May 25, 2011 8:28:43 GMT -5
That's one of the things I meant to do and never did. I thought about doing one with the bits and pieces I have left from my old 4T, but I didn't have all the gaskets to show it properly. I've got so many other projects going on, but if I can get some money together at some point for gaskets and seals (think the old ones got thrown out) I can put my old crank in and take pics then pull it apart to show the disassembly. Dunno when that will happen (not real soon I'm sure), but I will try to remember.
Basically you get the top end (cylinder, head, piston, etc..) off and then start removing side covers. Work the timing chain off of the sprocket on the crank. Once you get the cases all unbolted so they can be separated the whole deal should pull apart. The crank and bearings should come out together fairly easily. Might need a couple of light taps with a rubber mallet. I mean real light, you aren't beating the crank out of the cases just lightly bumping it. It should go back in about the same way. I used a gasket sealer like "The Right Stuff" or Permatex Ultra Black RTV on the case gaskets when reassembling. I think you will have to take off an oil pump sprocket to disassemble the cases (it's been awhile). Do not forget to put that back on when reassembling.
|
|
|
|
Post by speedy1125 on May 25, 2011 14:27:46 GMT -5
I have a factory new 72cc (47mm) 4t 1p39qmb engine i can ship to your door for $379.95 complete bolt in and fire it up engine including carb, airbox, coil, CDI, rear wheel nut, exhaust nuts, exhaust mounting bolts, rectifier, starter relay, flasher, and I dont know what the other 2 smaller bolts are for. everything you need to bolt it in and ride less exhaust...and a scooter lol   |
|
|
|
Post by rocketdog on May 25, 2011 17:19:08 GMT -5
Well there ya go Elusive. Unless your just dying to get your hands dirty. Looks like a good engine Speedy.
RD
|
|
|
|
Post by elusiveone on May 28, 2011 19:08:20 GMT -5
Thanks for all the responses guys, I have decided to just rebuild the engine with new parts. Not going back to stock 63cc that it was just going to push it alittle further and go 83cc Ordered a 100cc/83cc BBK (Kit comes with everything, Piston, rings, wrist pin, circlips, cylinder, head, oil pump, 8g rollers and all new gaskets) Ordered new Gates belt New air filter and a jet kit for the carb. Cleaned the engine up today and going to paint it Chevy Orange  Also blacken out the rims. ;D |
|
|
|
Post by 90GTVert on May 29, 2011 10:08:56 GMT -5
Nice color scheme. Leave the aluminum head unfinished and polish the valve cover and you'll have a little 1 cylinder Chevy clone. lol
|
|
|
|
Post by elusiveone on May 29, 2011 14:52:43 GMT -5
Got it painted today and its so beautiful  Sanded all the panels down and painted everything black except the 2 upper rear panels and the luggage rack Which I also painted chevy orange. :jaw: Its gonna be so sexy and Ill post pics after I get it all build up and together. But I believe it is gonna look awesome! Should have all my parts by the end of the week so this weekend is all about the scooter! |
|
