Quote:
Originally Posted by DannoXYZ
No way will 400 fit. Engine mounting points are completely different. Not to mention sub-frame and rear swingarm is attached to 400 engine. So you'll need to chop off entire rear section of 250-frame and use 400 sub-frame and swingarm.
Look up Bruce's engine-builds, actually got more power from them than stock 400.
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ahh okay I didn't know that the mounting points were different.