Chainsaw Repair

Damn......too slow. lol

The 6400 is one jug that I've yet to be really happy with the gains I get.

OK, Randy, if I can find a 665 I'll send the whole mess to you to play around with, or just the jug your choice. Let me know!

OK, here's a thought. All the Solo versions used the stroked crank. Putting the Solo jug directly on a 6400 that did not use the stroked crank would surely make a difference in the timing, good/bad I don't know. I suppose it depends on how Solo adjusted for the longer stroke, e.g. did they use a spacer, make the jug taller or mess with the piston?

To my way of thinking if they made the jug taller, putting it directly on a 6400 bottom end would have the timing waaaaay off. So, if they used a spacer then putting it on a 6400 bottom end may work out better. Also wondering what they may have done to the 665 piston to compensate for the increased stroke.

I wonder if the Solo case is different? Higher at the jug mounting base.....

I wonder if the Solo case is different? Higher at the jug mounting base.....

If it was then there would be no need for a spacer with the AM kits.  I think the cylinder has to be slightly longer.

Shawn, I agree with Randy they very well may be, since in order to use a Dolmar BBK on a solo you have to use the spacer. Deal is did they just make the cylinder base thicker or is the bore depth actually slightly deeper on the Solo jugs.