yzf 600 thundercat / fzr 600 engined swap.

biker_king · Renault 5 Driver Joined: 28 Jun 2007 Karma :

hello people, i have a yzf thundercat with a broken gearbox main shaft i, i have decided to replace the engine insted of striping it for repair. i have found a cheap fzr 600 engine was just wondering if anyone has done this swap and knows if thies engines share the sames mounts , loom conections ect.
thanks for any help, james.

temeluchus · World Chat Champion Joined: 01 Oct 2008 Karma :

The engines are similar, but i couldnt tell you if the mounts are identical and I doubt the electrics are identical.
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MarJay · But it's British! Joined: 15 Sep 2003 Karma :

Phoenix · Twisted Firestarter Joined: 01 Aug 2002 Karma :

I'd expect the FZR engine to be more similar to the thundercat than the Fazer, the Thundercat was essentially the replacement for the FZR600. The engine mounts could well be the same too.

andys675 · World Chat Champion Joined: 08 Feb 2007 Karma :

what you want is a 94/95 FZR600 foxeye engine (the one that looks like a YZF750) the frame, tank and wheels etc are more or less the the same if you don't look at the fairing
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daveg · Derestricted Danger Joined: 03 Jun 2010 Karma :

fzr 600r 94-96 engine and thundercat are basically same engine just different pistons, airbox assembly, if you get 94-95 engine it is about 85-90 bhp but 96 engine is 100 bhp same as thundercat.