Hey, Jay Clark here with Pivotworks Hot Cams Hot Rods. Today we're going to talk a little
bit about our project YFZ450, really good, cool unit, little bit older. So we're going
to talk about some of the pros and cons of this unit and what we did for this project.
So to start off on our motor package on this, we went to a 478 cc kit from Cylinder Works
with hot cams, stage two cams. Really good package overall, all bolt in parts, really
easy to install for a good qualified mechanic. ok Since this unit still is an '05, still has
a carburetor, which a lot of us are very familiar with, but everything's shifting to fuel injection.
On this carburetor, our jetting works pretty well with a 172 main 48 pilot, 45 leak and
we have the GYTR needle. We have the accelerator pump wired up. We have pretty good performance
in this carburetor with little-to-no bog with that jetting.
So this bike, since it's an '05, or it's an older bike, the stock clutch basket was pretty beat
up. We installed a Hinson basket, pressure plate inner hub and fiber spring steel kit.
Complete Hinson set up is bullet-proof to kind of go with their billet name. So good strong
parts on the clutch system, won't have any failures there. FMF MegaBomb header is matched
up to our factory 4.1 muffler, with spark arrester as well, since we are doing a lot
of trail riding with this unit as well.
We also have CD4 hoses which look extremely cool and are a little bit stronger than the
stock one. In this case, we got blue ones to match all the rest of our unit. We have
a CFM oil tank, gives a little more capacity, really strong, heavy duty unit for the oil
tank. Tusk Off Road makes a really nice nerf bar set-up. It's a one-piece complete, has
the rear heel plates there, the foot peg, and the front nerf bar with good netting all
provided, really nice piece.
So, the STI Tech 4 XC tires are really good all around tire for all of our off-road, desert,
even motor cross track-type use. Works well everywhere, even works well in the sand dunes
if you pressure them down. Good tire, mounted up to their STI Bead lock aluminum wheels. We
have the fronts in 21x7-10 and the rears in 20x11-9 inch rears. Got the Tusk front
bumper, really good looking piece, simple to install, good quality piece at a relatively
low cost.
Up front here we increased the length and pushed the front end forward an inch and wider,
and done that through longer A arms, with little additional travel with the Elka suspension
added on. Bought these pieces second-hand and got them set up for this quad. The longer
brake lines are needed when you go to longer A arms.
Houser has a plus one steering stem that allows you to put in large bar mounts so it's a little
bit better, more comfortable riding position, especially for the long off road rides and
for the larger tank. That's mated up to our fat bars, we got on here from Renthal, and
then we got a Works Connection Clutch perch, their Pro Perch line, really nice piece. Kind
of the standard in the industry as far as clutches go.
Have a Houser Plus One swing arm that they also were able to add on to this unit, little
bit longer, little bit more stability on the fast off road rides. Got the Gator Guard from
CD4, and we have our extended axle here, as well, to go with the front end being wider.
Tough Off Road has a nice aluminum grab bar, has all the stock mounting for light, everything
you need. Also comes with a hole for your whip, for your flag, for dune riding. Added
a two-stage uni-filter into this CFM air box, open air box system, feeds a lot of air, needs
that richer jetting specs that we had.
So, we had a larger fuel tank for added capacity for long trail rides. A really nice steel,
pretty similar to stock, but you lose your stock shrouds, so in this case, our graphics
are right on top of the fuel tank, which we'll need to have cut so that they'll breathe,
won't bubble up as bad. Nice fuel tank, added capacity for those long trail rides. Race
Tech revalves are stock shock, to set up perfectly with the Houser longer swing arm and their
linkage. Everything they, Race Tech's able to valve that exactly to what you need.
So that's about all there is to it, a good look inside our project YFZ450. Only the other
things are we added the MotoSeat custom seat cover, with some Attack Graphics to make the
thing look really nice, and that's about all there is to it.