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For the MK3,  switching from the $180 UK supplied starter sprag to the $17 Chinese sprag made my e start into a reliable unit.

The Madass big disc 6 pot front brake didn't cost much and transformed braking, especially when riding with gusto in the mountains.

A complete Dunstall 2 1 2 exhaust system was given to me for use on the 920. I believe there are some replicas of these available today, at great expense.

Don't bother.

I tried it out on my 850 first.

The Dunstall ad back in the day claimed the system  would boost standard Commando performance so much that it would be capable of quarter mile times in the high 11 second range.

I found that the Dunstall system had the opposite effect, on Dyno Hill, it slowed the bike down vs standard type pre 1974 open peashooters on standard skinny separate headers.


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