Description
The 2021+ Tracer 9 seat slopes noticeably forward from the factory. On a long day that slope quietly slides you into the tank, and you spend the ride pushing yourself back instead of settling in. This kit levels it out.
It’s a set of precision shims that raise the front of the seat frame, plus offset tank grommets that let the bracket move up without changing how your bike looks. Every fastener is included, nothing is cut or drilled, and the whole job is reversible with hand tools in about 30 minutes.
Fits
- Yamaha Tracer 9, Tracer 9 GT, and Tracer 9 GT+ — 2021 through 2026+, all years
- OEM stock front seat and the Yamaha Comfort seat
- Works with the seat in either the factory low or high position
- Most aftermarket seats that reuse the Yamaha seat pan
Does not fit
- Yamaha MT-09 — that bike uses a different frame. Get the MT-09 version here.
Which setting should you run?
All 2025 and newer models, and all GT+ models — run the 6 mm shim only. These bikes come with a shallower factory slope, and 6 mm is the correct correction. Don’t add the 2 mm shim.
2021–2024 Tracer 9 and Tracer 9 GT can run 6 mm or the full 6+2 mm stack, depending on how flat you like the seat.
Dial in your own lean
This is the Pro Adjustable 6+2 mm kit. On 2021–2024 Tracer 9 and Tracer 9 GT, riders don’t agree on the “right” seat angle, so you set it yourself:
- 6 mm alone — a moderate correction that keeps a little forward bias for spirited riding.
- 6 + 2 mm stacked — the flattest setting, best for long touring days in the saddle.
Swapping between the two takes a few minutes with the seat off, so you can try both and keep whichever suits your riding. On 2025+ models and all GT+ models, run the 6 mm shim only — the extra 2 mm isn’t needed on those bikes.
Why it’s built this way
The obvious way to lift a seat is to shim the frame and call it done — but that pulls the rear of the fuel tank out of alignment. Instead of asking you to live with that, this kit includes offset tank grommets that let the bracket move up while changing the tank’s rear height by only 3–4 mm. It’s small enough that the bike still looks stock.
Those grommets are printed in TPU rubber rather than rigid plastic, because the factory bushings are there to isolate vibration. Your stock spacers and washers slide into them exactly like the originals, so the tank stays isolated the way Yamaha intended.
- Frame shims — industrial-grade carbon-fiber PA12 nylon. High temperature, high strength, chemically resistant.
- Tank grommets — high-temperature 85A TPU rubber, matched to the stock bushing feel.
- Hardware — Class 12.9 zinc-plated alloy steel bolts, not hardware-store fasteners.
This design started with the seat slope mod for the ’15–’20 FZ/FJ/MT/Tracer, then went through several rounds of revision with riders in the Tracer 9 community testing real-world fitment on their own bikes before it was released.
What’s in the box
- 2 × seat frame shims, 6 mm
- 2 × stacking shims, 2 mm (for the flatter setting)
- 2 × offset TPU tank grommets
- 4 × 6 mm Class 12.9 zinc-plated alloy steel bolts
- 4 × 6 mm washers
Installing it
Roughly 30 minutes, no drilling, no cutting, and fully reversible using the bike’s original hardware.
- 5 mm hex wrench
- 10 mm socket or wrench
- Blue threadlocker
- Torque wrench — 12 Nm for the main seat bolts, 7 Nm for the fuel tank bolts
👉 Read the full step-by-step install guide — photos for every step, torque specs, and troubleshooting.
Prefer video? A customer filmed his own install: Tracer 9 GT Seat Slope Mod install on YouTube.
Buying from a one-person shop
I design, engineer, print, pack, and ship every part myself — and I’m the person who answers your email. This kit has been in riders’ hands since 2021, with well over a thousand shipped to Tracer owners across the US, Europe, Australia, and beyond.
6-month warranty. If this part breaks or fails as a material defect within 6 months of your order, I’ll make it right. Email support@jk3d.us with your order number, a photo, and a short description.
And if anything goes sideways — wrong fit, a question mid-install, a part that doesn’t look right — just email me. We’ll find a solution.
Shipping internationally? Orders ship via USPS with customs forms filed electronically. Any import duties or VAT are set by your country and collected on arrival. Tracking is emailed with your invoice — see Product Support for the details.
Note: preview/pre-release orders cannot be returned, but they carry the same 6-month warranty.
SL (verified owner) –
Added this to my ’21 Tracer 9 GT and it works very good. Install was maybe 30 minutes with help from good ol youtube. Parts all fit easily. Good product, and for sure recommend.
Ned (verified owner) –
I have a 2021 Tracer 9GT and I put 6000 miles on the stock seat and was relatively pleased overall, but found the forward slope annoying. I’m 5′-8″ and 150 lbs.
I ordered the Pro Kit. I installed the 6mm Base and it was better, then added the additional 2mm Shim and went on a 1000 mile trip. I really like this change and for $35 shipped I’m very pleased and would recommend this product. If the forward slope bothers you, I would just order the Standard 8mm Shim I don’t think I will ever remove the 2mm Shim.
I did have a little trouble reinstalling the tank bolts but after I loosened all of the mounting bolts it went together fine.
Chris (verified owner) –
not sure how i came across this part googling seat issues after getting my tracer 9.!
But what a beauty ! At around 6ft and getting a little beyond “mid years” i found the usual sliding onto the fuel tank syndrome even at seat set at high.
This arrived to me in UK within 8 days (better than some home deliveries !).
Fitted carefully within an hour (hardest part as always removing / refitting small side fairings within damaging….)
Immediately found the improved seat position and felt much easier to the grips.
A simple but effective well engineered add on
Well done !
KYRIAKOS XOUPLIDIS (verified owner) –
Makes a bery big difference!well spend money and time to fit! highly recommended!!!
Linus –
I just wonder If this seat shim kit is compatible with a tracer 9 GT from 2022? If you know, please tell me. Thanks!
Linus
Joe Kelly –
Yes this kit works for the 2022 model Tracer 9 GT!
Joe Kelly –
Yes it fits every Tracer 9 From 2021MY through the 2026 and beyond.
Branko Rudolf (verified owner) –
Also had issues with reinstalling the tank bolts. Also managed to lose a pushpin :-(.
Otherwise great product works fine with Tracer 9 2023. The only thing that is a bit bothering a plastic part protecting a fueltank stajs a bit loose on the top after installing. But can live vith that.
B.
Joe Kelly –
Thanks for the review! As its mentioned in the instructions, some bikes are a bit harder to get the forward plastic to align right. This is due to some tolerances by Yamaha varying a bit. There are some suggestions in the instructions on how to try and minimize this.
Gaetan Noel –
1 aout 23
From Quebec it very god produc make big difference 75% better.
Beaucoup plus confortable je me sent beaucoup moin pousser vers avant je le recommande
Mr.Lau –
Hi there,i from Malaysia, i like to buy this kit, can u post to Malaysia?
Joe Kelly –
Yes we ship to Malaysia, I ship all over the world.
Joe Kelly –
Yes I ship internationally!
chris –
Just received the kit. Surprisingly fast shipping to Germany (5 working days). Had to pay around 10€ aditionally for taxes picking it up from the shop.
Can confirm it fits the Tracer 9 GT 2023 Model (RN70) without any problems. Haven’t really ridden it yet but it feels awesome. Thanks!
Charles Nelson Jr (verified owner) –
(pro version) Combined with a corbin seat at the low adjustment and pegs at the low position I still had extra energy after 6hrs of highway and west Virginia mountain roads.
Also got rid of my shoulder pain somehow which I was gonna get bar risers for, don’t need them now
I usually ride with the seat and pegs at the highest and it’s still comfortable. Of course I can’t flat foot the bike but I didn’t get a sport tour for city use and heavy traffic
5’4 (64in) 28 inseam
Nigel Clarke (verified owner) –
I have to agree. I purchased my seat mod for my Tracer 9 GT and it arrived super quick, easy to install and to say the difference in comfort is amazing.
I’ve got to say one of the best purchases on the bike I have made.
A must for any Traver 9 GT owner it makes so much difference not having my man niys mashed against the tank
Well done all a perfect fix
Linus Bergström (verified owner) –
Perfekt fit on a Tracer 9gt+, I used the 6mm kit and it feels way better.
First order got lost by my own postal service and I contacted seller and he sent a new one same day!! Amazing service. Thanks and we’ll done!
Joe Kelly –
Happy you like it, thanks for the review!
Mike H (verified owner) –
This is not easy to write. First off, I bought the kit about 5 months ago but only fitted it last week. I am 6’2” with 33” inside leg and I didn’t really experience the issues with the slope of the stock seat which I used on the “high” setting.
I bought the standard 8mm kit for my 2023 Tracer 9 GT+ and I have to say that the quality of the kit is excellent. I managed to lose 1 push pin and 1 washer, but I used the suggested mod of 2 plastics zip-ties to replace the centre push pin on the tank. I did experience issues with holes not lining up as described in a couple of other reviews on here, but I only read that the Pro kit with 6mm and 2mm shims may be more suitable for the GT+ today, so black mark to me I think on that score and that may be the cause of my difficulty.
So now is the hard part, I went on my first ride with the kit fitted today and my ass protested after just about 70 miles which never happened on any other ride so far! Maybe my ass is not compatible with the new angle of the seat, but I just had to stop and take a walk around before continuing my ride. So, now I am in a quandry, I will give it a fair chance but I have a touring trip coming up and I need to decide pretty quickly whether to remove the kit or stay with it. We are all different shapes and sizes and maybe it is just me but I hope not. But anyway, thanks for reading this and I hope I can resolve any issues that I may have quickly.
Steve Abramson (verified owner) –
Ordered the 8mm kit for my 2024 Tracer 9 GT+, which replaced my trusty ST1300, which had a modified seat and gave me some 800 mile days with ease. The stock seat on the Tracer really had my particular ass complaining after an hour or two, and although the rest of the bike is fantastic, I was worried about my long term relationship with the seat. Seat kit came promptly, was easy to install, and it has transformed the bike for me for longer rides. I think I might pull the seat cover, cut out some foam, do a gel pad and re-install seat cover in the hope that will hit the final mark for some serious distance rides, but in the meantime, 3-1/2 hrs in the saddle on one ride has me thinking that this simple modification is the best low dollar mod I’ve ever made to a bike. Very well thought out to lift the tank along with the seat, and the bike pretty much looks exactly the same as before. I took a bunch of pics before and after with a vertical yardstick aligned at both front and back reference points on the seat with the camera in the same shot position along the way during the install so I could truly see how much of a difference it made. You can really see the difference in centimeters of how much the front of the seat moved up, while not really being able to tell much if any difference in the side profile of the bike itself. Great job!
Larry conway (verified owner) –
I reinstalled the game tank bolts first, then put the shims in place. My ch easier to aligh the shim holes than trying to get the tank bolts in place.
Marci –
Hi, is it compatible with the brand new 2025 Tracer 9 / Gt? Do you post to Europe? Thank you?
Joe Kelly –
Yes, and Yes!
Joe Kelly –
Yes it is! Compatible with the 2025 Tracer models.
Joe Kelly –
Yes it will! Fits even the 2026 models and hopefully beyond.
Ramesh Ramsaran –
Would it work on a 2025 yamaha tracer 9?
Joe Kelly –
Yea it is fully compatible with the 2025 GT!
Joe Kelly –
Yes it will! Fits even the 2026 models and hopefully beyond.
JOHN MOORE –
Will your kit work on my 2025 Tracer 9 GT Plus?
Thanks!
Joe Kelly –
Yes it will! Many customers are using it on that model!
Joe Kelly –
Yes it will! Fits even the 2026 models and hopefully beyond.