Overview of Dynojet Stage 1&3 Jet Kit - 4101
(12) Main jets(4 ea. -124,128,138)
(4) Pilot air jets
(4) Fuel needles
(4) Adjusting washers
(1) Slide drill
(1) Plug drill
The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.
Cross reference number(s):DJ4101
Specs for Dynojet Stage 1&3 Jet Kit - 4101
Fitment for Dynojet Stage 1&3 Jet Kit - 4101See if this part fits your ride
Part 171885 fits the following machines
- 1982 Yamaha XJ1100 Maxim
- 1981 Yamaha XS1100
- 1980 Yamaha XS1100
- 1981 Yamaha XS1100L Midnight Special
- 1980 Yamaha XS1100L Midnight Special
- 1981 Yamaha XS1100S Special
- 1980 Yamaha XS1100S Special
I will not take this space to complain about how the japanese motorcycle manufacturers used screws that were made out of butter on 70's and 80's bikes, I will use it to sing the praises of Dynojet, because they make a fantastic product. I've heard horror stories of plug chops and air correctors and weekends of trial and error to get "close" to perfect. With the Dynojet kit, based on my bikes current modifications, I was able to do all that trial and error in one shot.
My bike has improved throttle response, increased power and oh my God that sound. I DO still have a bit of fine tuning to do, but I believe it could be ridden indefinitely as it currently sits.
The one thing I would suggest, is that if you have access to one, use a drill press and some type of jig to bore out the slide lift holes as per the instructions. Doing so by hand is possible, and it's what I had to do, but you could ensure a nice, even bore with a drill press.
The kit is a bit spendy, but it saves you so much in time and frustration that it is still worth the four stars, and I will buy another one when needed.