Seems like Yamaha do things very differently the world over.
The YZF1000R Thunderace is still available new here in the UK. Most people
guess that it will be discontinued with the arrival of the FJR and FZS1000.
Yamaha have continued to run the Ace and R1 in parallel here, with the Ace
filling the 'sports-tourer' spot.
Owning an Ace myself, the thought had immediately occurred to me that an
instant change in performance characteristics could easily be had, by
slipping in the Ace lump. That said the Ace lump is probably less refined
than the GTS. There's a definite vibration that sets in around 4800 though
to about 6000rpm. The Exup keeps things nice and torquey though. So there's
definite food for thought.
Being a natural born meddler I may not be able to resist it !
Barry Edwards
----- Original Message -----
From: Peter Maggiacomo <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 16, 2001 6:25 AM
Subject: Re: Learning Slowly !
> --- [EMAIL PROTECTED] wrote:
> > In a message dated 5/15/01 11:46:29 PM Eastern
> > Daylight Time,
> > [EMAIL PROTECTED] writes:
> >
> > << Just another reminder of the factory
> > detunning of the YZF 1000 sportbike engine. >>
> > Just what are you talking about? The GTS engine is
> > based on an FZR1000
> > engine, is that what you mean?
>
> True, the GTS engine was originally a detuned
> FZR 1000 sportbike engine,but in the US that
> engine evolved into the YZF 1000,which was produced
> up to 1997. It was succeeded in 1998 by the current
> R1.
> The 1997 YZF 1000 engine had a host of improvements,
> in terms of lighter and stonger internals which
> produced more power and said longer life. These
> rengineered parts may be retrofitted to the GTS
> thereby bringing it up to later technology benefits.
>
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