

⚡ Diagnose Like a Pro, Ride Like a Legend!
The MR CARTOOL M3 Motorcycle Diagnostic Tool is a compact, handheld scanner designed for professional-grade diagnostics across multiple motorcycle systems including engine, ABS, and tire pressure. Compatible with major brands like Yamaha, Kawasaki, and Honda, it supports over 15 languages and offers free software updates, empowering riders and mechanics to quickly identify and clear fault codes without internet dependency.




| ASIN | B0D5B2KY5Y |
| Best Sellers Rank | #260,241 in Automotive ( See Top 100 in Automotive ) #1,108 in Code Readers & Scan Tools |
| Brand | MR CARTOOL |
| Customer Reviews | 3.4 3.4 out of 5 stars (29) |
| Date First Available | May 27, 2024 |
| Item Weight | 1.39 pounds |
| Item model number | M3 |
| Manufacturer | MR CARTOOL |
| Manufacturer Part Number | M3 |
| Model | M3 |
| Product Dimensions | 1.26 x 0.39 x 2.48 inches |
D**E
Does the work
It is exactly as described with all needed accessories for all brands. I have used it for my "Yamaha Tracer 9 GT plus" and discover TPS problem, replaced TPS ans the Motorcycle became like new one, it has a huge change in behavior. The price is more than reasonable for such an instrument
P**L
Doesn't work with 2022 KLR 650.
This is advertised as suitable for Kawasaki Motorcycles,but doesn't cover my current model, so it is effectively obsolete. I wasted my money. Not happy.
A**R
Diagnostic Tool
Items works well. Didn't erase one stored code in memory 2010 Honda CBR600rr
J**.
Perfect
Perfect
R**O
Misleading
Does not work on the Honda bike as described. It does hook up to the port that’s about it. Do not waste your money.
J**E
its ok i guess
it read codes and helped me but it doesn’t have its own power supply so that is aggravating. you have to use the usb cord that is provided or order the battery connection cable. wich i did for 9 bucks.
P**R
Pretty Good
I needed to trouble shoot a fault code on a 2023 Yamaha MT-09 SP. The interface on this thing is adequate but not great. I am being generous giving it 4 stars, ...it's prolly closer to a 3.x star experience. Overall, it let me identify a specific error code and clear it, so it served its purpose. It's a little pricey but I suppose I can lend it to friends with Japanese bikes to do same, so it's pretty good.
J**M
Works great with my Honda CRF250L Rally
I'm mechanically inept, so it took me a long time to figure out how to hook this up to my bike (there's a connector under the seat that has a dummy cover on it). This comes with a bunch of different connectors for different bikes, and there's no documentation on which one to use, so at first I used the wrong 4-pin connector, which seemed fine physically, but gave me incorrect readings (voltage was showing as 9V instead of 12, and none of the diagnostic tests worked). I was about to give up but then switched to a 3-pin connector, which showed the correct voltage and ran all the diagnostics. I've been getting a check engine light / fuel injection showing inconsistently, and this revealed the error codes (still need to look those up), and also allowed me to reset it. I thought I would need to plug into power via the Micro-USB port attached to it, which worked, but once it's hooked up to the correct port on the bike, it draws power from the bike's battery and doesn't need any other USB connector to work.
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