CBR400F (NC17) Engine alternatives

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Dizo
One Hit Wonder
Posts: 1
Joined: Tue Oct 12, 2010 3:30 am
CBR400F (NC17) Engine alternatives

Post by Dizo »

Hello All, First post here,

There's a '83 CBR400F project bike posted locally that i've been pondering over for a while. The bike seems to be all there, with replacement plastics (Fiberglass... still need to be sanded and painted) as the old ones were garbage, and a seemingly workable frame. The only thing that is missing/has a true problem, is the engine. The Previous owner did a poor job rebuilding the engine by the sounds of it, and has somehow damaged the crank shaft. I'm doubting the bike is worth it, even at 300$ CAD, if the engine is truly shot and I have to find another 400F engine. Here in Canada these bikes are extremely rare, i don't even know of any other 400F's that exist here, but CBR400RR's (88-on, the gross majority of CBR400's, NC23's i believe) are possible to find.

Would an Engine from a NC23, NC29, or even a CBR600 engine fit in this frame without any real modification? Obviously electronics would be different, i'd need the replacement bikes carbs and may need a few replacement electrical things. I should be able to find a suitable 400cc engine for 500$ or so if i know what will fit the frame, or ideally a 400F engine, but that would be very difficult - probably need to be sourced from Japan.

I'd really hope to have it collector plated, and i dont think that would be very likely with a 600 engine, but registration is all there and current so I wouldn't have to jump through any hoops to get it on the road. Please let me know if this is the wrong section of the forum for this, but i dont see where else it could be posted.
fujigas1
Settled in member
Posts: 50
Joined: Thu Jan 01, 2009 9:09 pm
Bike owned: TOO MANY TO LIST!
Re: CBR400F (NC17) Engine alternatives

Post by fujigas1 »

None OF them engines will fit mate but a CBX550F or CBX400 engine will drop straight in, Same basic engine but no REV ;)

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