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| dg head https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=2405 |
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| Author: | badsix [ Thu Jun 11, 2009 10:17 pm ] |
| Post subject: | dg head |
i'am kinda looking for a dg head for my 79 cr125 there is 80 dg on ebay will it fit the 79 thanks jd |
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| Author: | dogger315 [ Sat Jun 13, 2009 9:36 am ] |
| Post subject: | Re: dg head |
The 79 and 80 cylinders and cylinder heads have different part numbers. Also, the cylinder head gasket has a different part number which leads one to believe some dimension is different betwen the two heads. I'm guessing the two are NOT interchangeable. dogger |
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| Author: | badsix [ Sat Jun 13, 2009 9:39 am ] |
| Post subject: | Re: dg head |
thanks, i will keep searching for a 79 |
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| Author: | spannerman167 [ Sun Jun 14, 2009 1:22 pm ] |
| Post subject: | Re: dg head |
I think it will fit, as far as I understand the only difference is the 1980 head only had extra finning machined off to allow clearance for the fatter expansion chamber used on the 1980 model . Although the stock 1980 head wont fit a 79 because Honda added extra fins that went between the 1980's double downtube frame, DG didn't do the same which was a con IMHO they just machined off some fins from the 79 head and called it a 1980 head. |
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| Author: | badsix [ Sun Jun 14, 2009 9:51 pm ] |
| Post subject: | Re: dg head |
thanks spannerman, i kinda though they would interchange other than the fins this will wide'n my search a little bit |
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| Author: | 090 [ Tue Jun 16, 2009 8:42 am ] |
| Post subject: | Re: dg head |
I put a DG head from my '79 on my '80 125. Had to grind a very small amount where it touches the frame at the front due to the two down tubes as apposed to one on the '79. The major bit would be trying to fit a standard pipe back on. you would have to cut heaps of quite a few fins to do it. I had an Australian made GMC pipe( Geoff Morris Concepts) on the '79 which i had modified to fit at the header. It fit without modifying the head at all. Geoff advertises here. http://www.ozvmx.com/ |
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