Throughout the years there have
been at least three different versions of carburetor stacks for the U.
S. models alone. California models also come equipped with an EPA
required fuel vapor canister system for emissions control.
Another change of note is in the
transmission. Itís been reported that there have been as many as six
changes to the transmission gears, bearings and shafts from 1988-1999.
Not to mention the corrections made to repair the infamous second gear
problems in the í85 and í86 models.
Lastly, we canít forget all of the
years that the wheels, valve covers, engine inserts, lower fork legs and
exhaust have changed colors.
Some of the differences, which I
donít go into detail here, are based on the county that the motorcycle
was sold in and their regulations. I.e.; Canadian models had adjustable
carburetor slide needles before the U.S. model. The early European
models got the Vmax with no VBoost and there have been some camshaft
differences in the Euro models. Itís also been reported that the Euro
version ďred linesĒ at 8,500 RPMís. The Japanese version got the worst
end of the deal, itís said that they were delivered with restricted
mufflers, limited diaphragms, a maximum speed limiter and NO VBoost!
This is a compilation of changes
that Iíve made and kept for myself and others that might be interested
and it merely highlights the most note worthy and obvious changes. There
may be other changes that have taken place that are not mentioned here
over the twenty plus year run of this fantastic motorcycle. I hope you
find it useful.