best re-jet kit for my 2005 trx400ex came with everything and the little tool for it as well.
Moose Dynojet Jet Kit - Stages 1 And 2
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this kit is great comes with lots of jets and works great
I installed this dynojet Kit in a Honda trxTRX400ex. It was fairly easy to install, but the directions that came with the jet kit were extremely lacking in detail. If I hadn't done this to another bike before, I wouldn't have attempted todo it for a first time.
Added this to my trx450r along with the K&N intake kit....and wow! Made my quad a monster! Highly recommended if you're ride is modified.
Added this to my trx450r along with a two brothers slip on and a K&N air filter. Noticed a huge difference with the speed and power of the quad. Had a hard time installing it so I took it to professionals.
This jet kit made such a difference.
Havent used this kit yet but used one on my rhino and it was the best and simplest jet kit I've ever used good directions on letting you know what jets to use for your elevation
works how it is suppose too, and very easy to use
i put this kit in my 2000 400ex and it gave it alot more power. i bought this with a 16t sprocket and air box vents and i have a load of more speed.
I got this, and i love it, but i recomend gettin a uni filter and a after market exhaust you will see alot bigger increase in powere and speed when you do tht.
these jets are awsome. i noticed right away some power increase. if you can get it.
this was easy to install added power and performance
only had short time so do not know about durability.
2006-2009 Yamaha YFZ450
Stage 1&2 :
1 Main Jet CJ124
1 Main Jet CJ126
1 Main Jet CJ130
1 Main Jet CJ134
1 Main Jet CJ136
1 Main Jet CJ140
1 Main Jet CJ142
1 Main Jet CJ144
1 Main Jet CJ146
1 Main Jet CJ150
1 Main Jet CJ155
1 Main Jet CJ165
1 Main Jet Adapter DJA001
1 Fuel Needle DNO987
1 Pilot Jet DPJM048
1 Adjusting Washer DW0001
1 E-Clip DE0001
1 Plug Drill DD 5/32
1 Screw DS0001