1991 Bandit 400 Engine

[Rejektid]

Hi I'm new to the forums and a new Bandit owner. I did some searching on the forums to see if anyone had posted a list of what engines from what years would fit a 1991 Bandit. I couldn't find any clear answers though. I was given the bike at a few days ago, knowing it needed an engine. Apparently the original owner missed a shift and broke a connecting rod and now there's a rather large hole in the engine. I've found a 1992 engine on Ebay for a price I would be willing to pay, and I've found an engine from the parts wanted list on here that I would be even happier to buy. I don't know what year the engine on here is however. So if anyone could advise me on what year engines will fit a 91 I'd be very greatful. Thanks in advance.

[tomacGTi]

Been there, done that. Hope not to do it again.

All B4 engines will fit, just the 93's have a different cam and CDI setup versus 91-92 (tuned differently, doesn't mean incompatible). Should all be plug and play.

[Rejektid]

Thanks for the info, I'm excited to hear it. I'm sure I'll be back for lots more information and probably more parts. I don't think the bike has run since 94ish, at least thats the year on the tags. I don't have a motorcycle license yet, so a project is fine with me, just hope to get it running and road ready for next summer.

[Paul-B4]

The variable value (VC) engine and standard uk b4 engine are not the same.
Is your bike a import?

I have a spare engine here that is up for sale.

[Chris H]

Yep, VVC frame is different so the engine will not fit a standard B4. The others are ok but theres two different cdi/trigger combos, so if it missfires aftre changing the engine swop the trigger from your old motor and it should be good.

[tomacGTi]

Forgot about the VVC bikes that you guys across the pond got.

[Rejektid]

I don't think it's an Import, but I can't say for sure. I also don't know if its a standard B4 or a VVT. New to motorcycles so I'm not really sure what I'm looking at.
Edit: I don't think its a VVT since it doesn't have the red valve covers

[Paul-B4]

The import model has 2 front break discs and the uk model has one.

[Rejektid]

Thanks again. I believe the bike has the single disc, I'll check later today. I live in the US, I think we also got the single disc bike. I could also check the wiring from the CDI, for the extra green wire with white tracer, correct?