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YAM 89' FZR 400RR UNITED FZR 600 ENGINE???

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URIEL
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Joined: 06 Jun 2011
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PostPosted: 14:01 - 21 Jul 2011    Post subject: YAM 89' FZR 400RR UNITED FZR 600 ENGINE??? Reply with quote
Hello,
Does anyone out there know or at least have an idea if i could mate an FZR 400 exup with a FZR 600 engine,maybe an early R6?
Thanks....... Praying
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mad4it028
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Joined: 04 Jul 2006
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PostPosted: 14:15 - 21 Jul 2011    Post subject: Reply with quote
a friend of mine had an fzr400 with a fireblade engine so anythings possable although he had to have the frame welded lots of times as it kept snapping was alot of a death trap really but boy did it fly
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 14:21 - 21 Jul 2011    Post subject: Reply with quote
FZR600 engine in the 400 is a common mod because the FZR600 is a steel framed bike, and the 400 has an alloy frame. An FZR 4/6 can be lighter and handle better than an FZR600 if set up properly.

An R6 engine won't fit I don't think.

There might even be an engine mount kit available to buy on ebay. You do need the FZR600 ignition and carbs though, so it has the potential to cost a lot. There are threads all over the place on different forums on the conversion. It isn't an easy task, but as conversions go its about as straightforward as it gets.
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DrDonnyBrago
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Joined: 03 Jan 2010
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PostPosted: 15:04 - 21 Jul 2011    Post subject: Re: YAM 89' FZR 400RR UNITED FZR 600 ENGINE??? Reply with quote
I think there is a FZR400 with a 600 engine in it on ebay atm.

EDIT:

https://www.ebay.co.uk/itm/Yamaha-FZR400-FZR-400-FZR600-FZR-600-Conversion-/330589440984?pt=UK_Motorcycles&hash=item4cf8aa8bd8#ht_3829wt_1139
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P.
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 15:59 - 21 Jul 2011    Post subject: Reply with quote
Yep, possible.

As MarJay said, fairly common mod that one Thumbs Up
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TUG
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Joined: 12 May 2007
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PostPosted: 19:57 - 21 Jul 2011    Post subject: Reply with quote
I think hes on about this... https://www.fzrarchives.com/fzr400/560.html I might be wrong though.

EDIT: yep i somehow read 400 engine and 600 engine. My bad.
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URIEL
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Joined: 06 Jun 2011
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PostPosted: 14:54 - 22 Jul 2011    Post subject: Re: YAM 89' FZR 400RR UNITED FZR 600 ENGINE??? Reply with quote
URIEL wrote:
Hello,
Does anyone out there know or at least have an idea if i could mate an FZR 400 exup with a FZR 600 engine,maybe an early R6?
Thanks....... Praying


Many thanks to those who responded....... Very Happy
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Pete.
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Joined: 22 Aug 2006
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PostPosted: 15:02 - 22 Jul 2011    Post subject: Re: YAM 89' FZR 400RR UNITED FZR 600 ENGINE??? Reply with quote
URIEL wrote:
Hello,
Does anyone out there know or at least have an idea if i could mate an FZR 400 exup with a FZR 600 engine,maybe an early R6?
Thanks....... Praying


As said above, it's one of the easier engine swaps.

These guys will know exactly what can be done and what can't:

https://www.400greybike.com/forum/index.php
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 18:17 - 22 Jul 2011    Post subject: Reply with quote
Hi

Think the 600 engine bolts straight into the 400 frame. Quite a few bits on the 600 have 1WG (FZR400) model codes cast into them.

All the best

Keith
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 18:24 - 22 Jul 2011    Post subject: Reply with quote
Kickstart wrote:
Hi

Think the 600 engine bolts straight into the 400 frame. Quite a few bits on the 600 have 1WG (FZR400) model codes cast into them.

All the best

Keith


The top end mounts are in a different location. I think they are lower on the 6 than the 4 but you can buy adapter plates.
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 18:30 - 22 Jul 2011    Post subject: Reply with quote
Hi

Might depend on the model of 400 and 600. Known a few people do the swap without the need for things like that (including into a Bimota YB7)

All the best

Keith
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Old Thread Alert!

The last post was made 14 years, 26 days ago. Instead of replying here, would creating a new thread be more useful?
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