engine and frame numbers not matching

[bagger]

while doing up the old cb350sg i noticed the numbers dont match.
its obvious the engine has been replaced at some point and was just wondering can this cause any probs come mot time?
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sv650s,cb350s

[cb1rocket]

numbers aren't suppose to match together, they are both seperate.

As long as it matches the logbook, your fine

[Ichy]

I've never had a frame or engine number checked during a MOT. In fact most prefer a copy of a previous MOT so they can copy the details off it.
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[bagger]

[Kickstart]

Hi

On Yamahas the engine and frame numbers used to match. But not anymore, and even then they didn't put engine numbers on for some markets (ie, get a Japanese market older Yamaha and it will likely have no engine number).

All the best

Keith
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[baldy]

My old cbr600f didn't have any engine numbers on the log book. It just said 'not known' in that section. I never thought to check if it had any stamped on the engine.
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