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Install your head assembly with the motor on TDC and install the cam gear and cam chain with the lines level with the arrows on the cam tower. Install the cam gear bolts and the timing chain tensioner, extend the tensioner to ensure it doesn't skip timing when you roll it over. With your 8mm...

Place a small piece of modeling clay or Play Doh in the valve pockets of the piston. Overlap the clay over the edge of the valve relief to ensure that your piston will clear oversize valves if you are running them. Spray a small amount of WD-40 or oil on your finger and coat the top of the clay...

Now that our deck height is set we can move onto clay checking the motor. This step is very important, none of us want to see the valves throw a party in the combustion chamber. We clay check with an old headgasket to get a more accurate reading, and new headgaskets should not be torqued down...

Re-install the cylinder in the same order as before, tighten down, and measure the deck height again. This time we come up with .013 on our calipers. We add the .027 for the headgasket and wind up right where we wanted at our .040. The usual amount removed from the bottom of the cylinder is...

This illustrates an incorrect deck height at .041 on our calipers. We want .040 total so we know our current deck height is .041+.027 with our headgasket. With .068 we now know that .028 needs to come off the bottom of the cylinder for a correct deck height measurement. At this point remove the...

Now that the motor is on TDC we will measure the piston on the intake and exhaust sides. When measuring the intake side, push down on the exhaust side, to account for piston rock. We shoot for .040 total and that includes the .027 OEM or Cometic style MLS head gasket. So, we want the piston to...

Next, take out the timing plug on the clutch side cover (10mm allen head) and you will be looking for a punch mark on the crank gear. Rotate the crank with an 8mm allen to align the punch mark with the arrow on the side cover.

Finally had a little time to get some of this together for you guys. This motor is for one of my QuadCross Pro riders that we just finished up, so here goes... Disclaimer: The deck height was already set on this motor before I remembered to have someone take pics as it went together, so I put a...

So inspite of being knee-deep in work right now I thought I would jump on here and ask you guys a few questions. Who here would be interested in learning some more about building motors and learning new things about how to set deck height, clay checking, cam timing, etc. We had a couple...

I get people that call and dance around the question that they seem to want to ask, so I thought that I would open up a thread about asking the builder questions. I will not answer questions about E85 needles, port widths, bowl percentages, valve angles, cam timing or ignition timing, but other...

My 500+ HP Duramax, and my Dad's new '64 Nova he just finished. First track day is tomorrow with it. The second pic is my Dad's friend Al. He was battling cancer, and he wanted to be the one who got to sit in the car and crank the motor over while my Dad adjusted the carb when they first...

More Pics...

selling some parts off the shop bike, all parts have 3 rides at the dunes shipping not included, paypal as a gift or add 3% lsr dc pro front end, candy red, with hi misalignment tie rod kit, +1 dc pro stem- 1000 front end stays together, its all meant to work together lsr +2 swingarm, candy...

Just like the title says, I have a +2 LSR swingarm for an 04/05. Will also work on 06+ but will be 1.25" over. Has link mounts for all years plus another for aftermarket links, like a DC6. The arm is Candy Red, and does not have any cracks, breaks or welds. It was used 3 times at Glamis. The PC...

2006 TRX 450 Sparks 101mm Cylinder Demon Race CNC Porting Xceldyne Ti 37/31 Kibblewhite Custom Springs Web ***/*** Xceldyne 28mm buckets 48 Lectron Demon OOF Pipe Dyna Ignition with less timing than stock Override/Lockup MR12 fuel Test also show DASA -4" vs the Demon OOF drag pipe.

2005 TRX 450 97mm bored stock cylinder Demon Pro Head CP 13:1 piston (-.065 off the dome) Ferrea Flat Face Ti 37s Ferrea Stainless 31s PSI Springs Web 242/921 DASA Intake DASA Pipe (-4) Dyna Ignition, with less timing than stock Demon 43.5 FCR E85 fuel

2005 TRX 450 Sparks 99mm Cylinder Demon Race Porting JE 12:1 Piston Ferrea 37/31 Valves Kibblewhite Springs Web 208/921 -.020 Cylinder Head Demon 43.5 FCR DASA Intake DASA Pipe (-4) 91 Pump Gas The Before and After of cutting a DASA pipe down 4" is also shown on this graph.

06+ TRX 450 Sparks 101 Cylinder Demon Race Porting CP 12:1 Piston Ferrea 37/31 Valves Web 208/921 FCI Intake Demon 43.5 FCR DASA Pipe (Full length) 91 Pump Gas

'04 YFZ 450 SB/SS Demon Bowl Work CP 12.5 Piston Cam Mod FCI Intake DASA Pipe Demon 42.5 FCR 91 Pump Gas

In this thread we will show a few examples of our work and show you how we achieved that number by listing the combination it took. Feel free to ask any questions. '05 TRX 450 Stock Bore, Stock Stroke Demon Race porting CP 12:1 Piston Ferrea 36/31 valves Web 208/921 Kibblewhite Springs...