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Does anybody know if a 450L engine will fit into a 400L frame? this is crutial, for the engine is selling in 4 days. any help? where could i find out?
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You could ask a used bike dealer if they fit. You'll need to get some of the wiring harness along with the engine, I see the seller is selling the ignitor seperately and you'll be needing that part if it isn't the same as the one on your bike currently.
Steve -
Ignition is the same according to my Clymer.Comment
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if it were my money, I'd go for it. It seems unlikely that the mounting would be any different. Even if it were, a little welding later, and you're thereComment
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Same year???
If they are the same year -- no problem.
You know that the 400 motor develops more horsepower than the 450? The 400 has 4 valves per cylinder, and the 450 only 2.
SVComment
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From everything I can tell, the gs400 makes 36hp
the GS450 makes 44hp.
Well worth the swap, If anyone has different data please post.
MoComment
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Mo,Originally posted by Mobetter
The GS 400 L motor I was thinking of was the Canadian / European spec motor of that vintage. As a 4 valve per cylinder motor, it would develop more HP at the same displacement. The info I have seen indicates about 41 HP from this 8 valve motor.
I'd really be surprised to see a 22% increase in power from a 12% increase in cubic capacity, especially with the reduction in the valve train.
SVComment
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