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Old 07-17-2010, 05:46 PM   #199
DisTech OP
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Joined: Sep 2008
Location: Seattle
Oddometer: 616
DR350 vs DR350S vs DR250S

The last time i had the electric kick 350 case together I discovered that a dirt crank would not accommodate the street magneto and starter clutch . I was pretty frustrated at the time and decided to set it aside for a while. Checked a bunch of part numbers and after few ebay purchases I'm ready to try again.

Here you can see the difference between a 350 street crank (top) and dirt crank (bottom).

The 350 magneto and starter clutch (left) appears to be interchangeable with the 250 unit (right). The only difference is the 250 has 3 bolts instead of 6 holding the starter clutch on. The 350 gear has the same number of teeth as the 250 gear, but they are different.

The 350 gear is beefier and has that collar where the 250 gear is flat. You can see the 3 vs 6 bolts here better.


Incidentally, I left out a transmission gear today and had to split the case again. So I've put this case together a grand total of six times. Annoying as it is, I am getting fairly fast at assembling DR350 bottom ends .
DisTech - Suzuki (1993 DR350S & 1994 DR350, 1996 DR650/DR790), BMW (1999 R1100GS)
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