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susniand

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About susniand

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    Slovenia
  1. susniand

    Yamaha yfz450 jetting help

    only mod is Akrapovic full pipe so far ... my previous jeting was 42 pilot stock needle at 4rd clip 162 main fuel screw 1.5 turns out and quad ran great. Today I got gytr jet kit in hands so I decided to pull airbox lid off and rejet so I went with 45 pilot gytr needle at 3rd clip main 165 fuel screw 2.5 turns out low and mid range is so much powerfull now, but got a problem at high rpms at full throttle bike now seems to hit rev limiter for a second or two and keep pulling forward, so its not rev limiter - hapens only at full throttle so I tried with 168 main and leave everything else but result was exacly saime not better nor worse .. Do you guys thinks im too lean or too rich on main ? maybe try to raise needle on clip 4 and leave main ? sea level around 550m and temperature was around 20°C
  2. only mod is Akrapovic full pipe so far ... my previous jeting was 42 pilot stock needle at 4rd clip 162 main fuel screw 1.5 turns out and quad ran great. Today I got gytr jet kit in hands so I decided to pull airbox lid off and rejet so I went with 45 pilot gytr needle at 3rd clip main 165 fuel screw 2.5 turns out low and mid range is so much powerfull now, but got a problem at high rpms at full throttle bike now seems to hit rev limiter for a second or two and keep pulling forward, so its not rev limiter - hapens only at full throttle so I tried with 168 main and leave everything else but result was exacly saime not better nor worse .. Do you guys thinks im too lean or too rich on main ? maybe try to raise needle on clip 4 and leave main ? sea level around 550m and temperature was around 20°C
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