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Old 11-04-2005, 09:35 PM   #1
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Default My first engine rebuild! *PICS*

Not what you thought it is, eh? The engine was a low compression 50cc motor out of a 1976 Honda Z50A, and it'* going in a 1979 Z50R frame. The Z50R has an 88cc motor in it now, which isn't too reliable, so this fifty is just so I can ride the bike around reliably.

Here'* the motor half way through a paint job (head and middle of case will be silver). What I've done to it: New clutch plates, clutch disks, cylinder bored .50 over with a .50 piston, and a fresh paint job of course!

This beast pumps out 3hp and 2.5 ft lbs....woot!

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Here'* a pic of the original paint job I put on it, which I decided was really crappy so I redid it.

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Old 11-06-2005, 01:45 PM   #2
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Final paint job. I can't wait to hear the MF roar!
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Old 11-06-2005, 02:52 PM   #3
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did the thing BHG or something?



I would imagine 3hp/2.5tq would be way more than enough to get you in trouble, eh?
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Old 11-06-2005, 04:37 PM   #4
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Yeah, it'* more than most can handle. What'* BHG?
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Old 11-06-2005, 04:46 PM   #5
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I remember the Honda 50"* when they first came out back in the early 70'*. Those were good little engines. They had clutchless 3 speed transmissions didn't they? IIRC
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Old 11-06-2005, 06:45 PM   #6
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Not clutchless, they have a centrifical clutch. Yeah, theyre 3 speeds. The little things are damn near impossible to kill.

The first fifties actually came out in the late 60s, with the Z50.
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Old 11-06-2005, 06:57 PM   #7
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Quote:
Originally Posted by VigCS
Yeah, it'* more than most can handle. What'* BHG?
blown head gasket
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Old 11-06-2005, 07:28 PM   #8
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Quote:
Originally Posted by repinS
Quote:
Originally Posted by VigCS
Yeah, it'* more than most can handle. What'* BHG?
blown head gasket
Oh, no, it was just old and had low compression. I had it bored .50 over and put a new piston in it.
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Old 11-06-2005, 07:38 PM   #9
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I had one 1979 bike with the 70cc in it, called "Mini-trail" here.
This bike was slow but unbeatable, i did everything possible with that bike, i sold it 4 year ago and i think its still running.
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Old 11-06-2005, 08:04 PM   #10
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I'm sure it is still running =). If this is what it looked like http://www.thescooterguys.com/79ct70ltjpeg.jpg then it was a CT70. I just have a passion for these little 50s, no idea why =).


^my awsomely awsome bike
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