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  1. 2014 yfz 450r power commander

    New Member Intros
    Just bought a 2014 yfz 450r it has full dasa exhaust system with the power commander V and K&N air filter But when I’m going to turn slow in first gear the four wheeler wants to cut off but only when I’m going slow if I’m on the gas it rides good. I was just wondering if it’s the power commander...
  2. How do i know if its my axle or hub?

    YFZ450 & YFZ450R General talk
    My right axle/hub assy is wobbling... (hard landing) how do i determine if its the hub or the axle thats bent? If its the axle, what kind of hell am i about to get into replacing it? Thanks in advance!
  3. Are ASV levers Universal?

    YFZ450 & YFZ450R General talk
    I’m looking to buy ASV levers for my 2010 YFZ450R but I’ve been wondering whether they are universal or should I filter the search for YFZ450R because there weren’t many options when I filter.
  4. Where is the 2021 YFZ and Raptor?

    YFZ450 & YFZ450R General talk
    I see that they have released the 2021 Raptor 90... but no Raptor 700 or YFZ... I really hope they haven’t decided to discontinue these models. My heart would be broken :/
  5. YFZ450 Plastics

    YFZ450 & YFZ450R General talk
    Can you put 09r-20 plastics on an 04-08 yfz450.
  6. Bike makes plastic rattle when braking hard on back braie

    The bike makes a rattle sound when I brake hard it sounds like plastic and I’m really hoping it’s not a problem can anyone tell me I think I using back brakes to hard and I never use the front someone tell me if this can also be the problem the sound sounds like a plastic rattle someone help I’m...
  7. Looking for a 09 yfz450r baffle

    Wondering if anyone has a baffle for a 450r laying around that they would sell and ship to me?

    YFZ450 & YFZ450R General talk
    What settings would you run on the new version of the vortex. I know everybody use to use map 9 7,7,2 but is it the same on the newest update? My yfzr has a hmf exhaust,uni filter no lid, ais delete and 1000ft above sea level. Thank you in advanced
  9. 2020 yfz450r

    YFZ450 & YFZ450R General talk
    So I just picked up my quad yesterday. And I let it warm up and my pipe was glowing red. I know it’s running super lean. But I found a vortex x10 for a 09 to 19 but I’m wondering if it will work on my 2020. And getting a dasa exhaust would help let the yfz450r run richer.
  10. Having to give a fuel injected yfz450r has to start?

    YFZ Powertrain
    I have a 2014 yfz450r that I just got and It is completely stock everything but has a slip on FMF muffler, the guy I bought it from had a tuner on it but didn’t have it plugged it so I took it off because the wires were not hooked up or anything. When the quad is completely cold it seems to...
  11. Got a very funny head gasket question

    YFZR-X Powertrain
    I have just done a rebuild and torqued down my head bolts then to realize that I forgot to install the left hand chain guide. I took the head back off again installed the chain guide and torqued the head back down again. There was nothing to see on the head surface from the head gasket or...
  12. Yfz450r 2020 Vortex won’t start

    YFZ450 & YFZ450R General talk
    Bought a vortex ecu installed it today and the bike won’t do anything fuel pump won’t prime nothing plug old ecu in and works fine