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Penton Owners Group

General Discussion => Penton Talk => Topic started by: Doug Bridges on February 25, 2010, 10:26:51 PM

Title: Tech Tip/ tightening left side frame brace
Post by: Doug Bridges on February 25, 2010, 10:26:51 PM
I recently came up with a solution to the problem of tightening the nut that fastens the left side frame brace to the engine on the early 175 KTM motors. Someone may have already come up with this, but just in case I am sharing my solution.
 I took a 10mm coupling nut and screwed a 10mm x 5/8 Allen head bolt in the end and then welded it to the coupling nut. Then using a special Allen head wrench that allows you to tighten it from an angle ( bought the sets at Shucks Auto parts) I am able to tighten the nut even with the cylinder and carb mounted.
(http://i796.photobucket.com/albums/yy247/drbridge/Coupling1.jpg)
(http://i796.photobucket.com/albums/yy247/drbridge/Coupling2.jpg)
(http://i796.photobucket.com/albums/yy247/drbridge/Coupling3.jpg)

Doug Bridges
73 Jackpiner
74 Jackpiner/FrankenPenton
project
82 XR200R
Title: Tech Tip/ tightening left side frame brace
Post by: firstturn on February 25, 2010, 11:00:53 PM
I like it.  Thanks for sharing.

Ron Carbaugh
Title: Tech Tip/ tightening left side frame brace
Post by: tomale on February 25, 2010, 11:07:49 PM
Cool idea, thanks

Thom Green,Still crazy after all these years!
76' 250 MC5 (orginal owner)74'
250 hare scrambler (project bike)
Title: Tech Tip/ tightening left side frame brace
Post by: David Laite on February 26, 2010, 10:29:53 AM
That's huge, thanks for the post and photos. The 13MM hex drive from my 'O' ratchet fit nicely as well. When Gear wrench bought the 'O' ratchet idea they altered the drive.

1973 Penton Six Day
1973 Penton Jackpiner
1982 Yamaha XT200
1982 Yamaha XJ650J Maxim
1984 Husqvarna 400WR
1987 Yamaha YZ490
2005 Honda CRF450R
Title: Tech Tip/ tightening left side frame brace
Post by: joe novak on February 26, 2010, 11:08:25 AM
Wow!  Great idea and solution to a challenging maintenance issue.  Great photos.  I just wish everyone would keep their engine mounting bolts and nuts tight on their Sachs engine mounts.  The lower one near the foot peg is the tough one, and the one that comes loose.   I always use LOC-TITE and never have them loosen.   Joe
Title: Tech Tip/ tightening left side frame brace
Post by: David Laite on February 26, 2010, 11:51:39 AM
Sure and by keeping them tight can prevent wear issues, as well as motoplat ground problems. Mike Winter recommends an external ground which I think is a good idea, particularly with the salt air environment where I live. Anyone have a photo of this install that would be great? Thanks, David.

1973 Penton Six Day
1973 Penton Jackpiner
1982 Yamaha XT200
1982 Yamaha XJ650J Maxim
1984 Husqvarna 400WR
1987 Yamaha YZ490
2005 Honda CRF450R
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