79 400 compression

Started by Dave Withrow, July 16, 2020, 01:38:59 PM

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Dave Withrow

July 16, 2020, 01:38:59 PM
I've had many Pentons and this 400 is by far the hardest to kick I've ever owned.  To be honest I can't even get it to cycle completely through. I know there are guys here that do the head mods.  Can someone  help me out here?  Thanks

Big Dave

Larry Perkins

#1
July 16, 2020, 02:16:55 PM
Head mod!  Search.  Will fix it

Larry P

454MRW

#2
July 17, 2020, 02:08:54 AM
Call Chi Jer!

Michael R. Winter
I enjoy rebuilding and appreciating Pentons!
1976 Penton MC5 400
1977 KTM MC5 125
1978 KTM 78 GS6 250
L78-79 MX6 175-250 KTM's
1976-78 125-400 RM's
2007 CR125R Honda
1977 MC250 Maico
2017 KTM Freeride 250R
Michael R. Winter
I enjoy rebuilding and appreciating Pentons!
1976 Penton MC5 400
1977 KTM MC5 125
1978 KTM 78 GS6 250
L78-79 MX6 175-250 KTM\\\'s
1976-78 125-400 RM\\\'s
2007 CR125R Honda
1977 MC250 Maico
2017 KTM Freeride 250R

Dave Withrow

#3
July 17, 2020, 11:03:19 AM
don't have his #

454MRW

#4
July 17, 2020, 05:41:45 PM
Msg sent.

Michael R. Winter
I enjoy rebuilding and appreciating Pentons!
1976 Penton MC5 400
1977 KTM MC5 125
1978 KTM 78 GS6 250
L78-79 MX6 175-250 KTM's
1976-78 125-400 RM's
2007 CR125R Honda
1977 MC250 Maico
2017 KTM Freeride 250R
Michael R. Winter
I enjoy rebuilding and appreciating Pentons!
1976 Penton MC5 400
1977 KTM MC5 125
1978 KTM 78 GS6 250
L78-79 MX6 175-250 KTM\\\'s
1976-78 125-400 RM\\\'s
2007 CR125R Honda
1977 MC250 Maico
2017 KTM Freeride 250R
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