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Old 09-23-2003, 11:06 AM   #10 (permalink)
Glifford
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Join Date: Jul 2003
Location: Bangalore, Karnataka, India.
Posts: 78
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R U guys sure that the ZMA (and all Single Downtube bikes) use the engine as a stressed member?

I don't think so. Agreed that the Bullet uses its engine (more so Gearbox) as the stressed member, but all other bikes don't do that. All other bikes have the mass of the engine so small that stressing it will be crazy. And then U have the Rubbed mounted engines to cut out the vibes ..can't be stressed.

I guess the ZMA (like other single downtube bikes) like the Caliber 115 as well has a normal (and not stressed engine).

On the other hand...the Bajaj Byk, is neither a single or a double downtube bike. It has no Downtube at all. The Sheet metal chassis takes all the stress and holds up that horizontally mounted engine. And so that the byks don't look something like bikes with a cut off chassis, they have 2 dummy downrod tubes goin down. Interesting stuff.
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