YZ450F Development by MMAD - YFZ Central I just wanted to share the story of my successful collaboration with MMAD in developing the engine for my 2008 YZ450F Supermoto, which I am roadracing in Southern California The first problem was that my 5 year old motocross bike model's engine had been superceded by a newer, 4-valve design
Aftermarket Cams - YFZ Central Im looking to buy cams for my bike to get some more power I was wondering Whats the difference between hot cams and mmad or even web cams?
MMAD YFZR pump gas 480 | YFZ Central Here is my latest build from MMAD Dyno tuned by Jeff at OCP Red line is pump gas=59HP 34TQ Blue line is VP U4 4 =60 56HP 34TQ -MMAD's latest CNC port with +1 valves -Lightspeed intake cam Warpspeed exhaust cam - +2 throttle body -CP 12 5:1 98mm piston -Dasa shorty -FCI with bigger carb
MMAD build advice - YFZ Central 2007 MMAD build I'm just getting back together Std valve port job Carb bored to 42mm Warpspeed intake cam 13 5:1 MMAD piston DASA exhaust +4 swing arm
MMAD Porting - race port vs dune port - YFZ Central MMAD Porting - race port vs dune port Jump to Latest 14K views 4 replies 3 participants last post by pbsandman7 Oct 24, 2010 pbsandman7 Discussion starter
YFZ Cam Specifications - YFZ Central Let's keep this a no-bull knowledge base for the various cams available for use in the YFZ450 and other compatible 5-valve Yamaha 450-class engines If information posted by anyone is found to be inaccurate, post the cam card or otherwise which proves him wrong Bring on the numbers! Stock
MMAD porting head work? - YFZ Central MMAD porting head work? Jump to Latest 6 5K views 4 replies 4 participants last post by yfztrickster Aug 18, 2011 yfzracer45 Discussion starter
Mmad Cams - YFZ Central I was wondering if any one has heard any info about this cams Just looking for some general info and horsepower numbers, maybe some dyno graphs
Monster Big Core Yfz450r Dyno Run - YFZ Central MMAD is in El Cajon The big core version of the pipe is loud However if you run the 2" core and reverse cone you can also put in a quiet core to keep the DB's within limits
Head Porting - YFZ Central MMAD is who I would go with There are lots of topics on here about porting if you do a search You will need to figure out what kind of riding you are planing on doing first There is a lot of money that can be spen on a head depending on how far you wana go with it You can spend $400 to $3000 just on doing head work