03-04-2014, 12:52 PM | #1 |
Join Date: Mar 2014
Posts: 5
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MFC dirt bike engine?
Hey ya'll,
Quick question. I have 2 import dirt bikes in my shop, one needs to be completely rebuilt. My question is are mfc engines the knock off Honda's or Suzuki's? I know the Gio's are compatible with Honda parts, but these don't look very similar. Any help would be appreciated as I have to strip my sons 90cc down to the frame and rebuild the whole thing. Thank you! |
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03-04-2014, 01:13 PM | #2 |
Join Date: Mar 2009
Location: Southeastern Washington desert
Posts: 14,761
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Are we talking a horizontal or vertical engine? What displacement?
Almost all Chinese engines are Honda clones. Some Zongshens are Yamaha clones, and some Q Links are Suzuki clones. Almost all others are Hondas. Welcome to the forum.
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03-04-2014, 01:30 PM | #3 |
Join Date: Mar 2014
Posts: 5
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Thanks!
It is vertical I do believe. I am heading out to strip the bike down now so I can take the engine out and compare it to some of the other ones we have kicking around. I have boxes of these mfc parts, all unused and unopen, including 2 engines and a bunch of transmissions and clutch assemblies. But, obviously before I go putting these together I need to know its going to work with the dynamics etc! lol. Since I am new here, I will just look off the net for a pic of the engine as I don't have a camera until tonight! |
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03-04-2014, 01:31 PM | #4 |
Join Date: Mar 2014
Posts: 5
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I am a mechanic in training, so this part of the job is new to me, what would the displacement be? Just so I can find out and repost it here to get the most accurate answers!
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03-04-2014, 02:39 PM | #5 |
Join Date: Mar 2009
Location: Southeastern Washington desert
Posts: 14,761
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You are doing great.
There should be an engine code in the crankcase just forward of the shift lever.
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03-04-2014, 02:40 PM | #6 |
Join Date: Mar 2009
Location: Southeastern Washington desert
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The most common vertical Honda clones (we call them Hondoids) are 200-230cc. Is it OHC or OHV?
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03-04-2014, 06:10 PM | #7 |
Join Date: Mar 2014
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Ok, so this is a horizontal engine, its an 80cc? Weird, I didn't know they made 80cc bikes, but its an import, so maybe that would be why. Its a 2 stroke oil injected bike. I did identify what I needed to know, thank you I am wondering though, since this engine has been sitting for a few years and when I pulled the spark plug the very tip of it was rusty if this engine is shot? I was thinking it may be salvageable, but as of now I'm not too sure how else to find out?
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03-04-2014, 06:24 PM | #8 |
Join Date: Mar 2009
Location: Southeastern Washington desert
Posts: 14,761
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OK.
To be honest I'm not up on my China cloned 2 strokes. Almost all Chinabikes nowadays are 4 strokes. I do not know what that is a copy of but don't worry, others here will know. The cylinder and piston are aluminum so rust won't be a factor but you'll have to pull the head to inspect the bore. You ay want to check the compression prior to removing the head.
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03-04-2014, 06:31 PM | #9 |
Join Date: Mar 2014
Posts: 5
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I would love to just go drop a few g's on a good quality bike, but my guy is 8 and he's just learning now so this way I don't have to sweat it too much if it gets thrashed I will do that, thank you!!
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03-04-2014, 09:26 PM | #10 |
Join Date: May 2007
Location: Altamont, Kansas
Posts: 15,103
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I have seen yamaha pw80 clone engines. They were oil injected and horizontal.
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03-04-2014, 11:18 PM | #11 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Welcome!
Perhaps it is a PW clone. I am familiar with the MFC 100cc bike, which is cloned from the Suzuki AX100. What part of Canada are you from?
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03-05-2014, 12:41 AM | #12 |
Join Date: Jul 2008
Location: Idaho
Posts: 25,054
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Welcome; we are glad you joined us.
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Spud "Never argue with an idiot. He will drag you down to his level, and beat you with experience." Mark Twain 2015 Zongshen ZS250GY-3 (RX3) 2006 Zongshen ZS200GY-2 (Sierra 200) 2005 Honda XR650L 2004 Honda CRF250X 1998 Kawasaki KDX220 Mods made to my Zongshen ZS200GY-2: http://www.chinariders.net/showthread.php?t=6894 |
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