IAN WILLIAMS TUNING

We're Open 6 Days a Week

We sell the best engines and the best karts, at the best prices.

New Engines
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Celebrating 50 Years

Established 1973

About Us

Workshop Services

Ultrasonic Parts Cleaning
We use Ultrasonic parts cleaning to make everything from carbs to engine mounts look like new, including old carbs that have corroded due methanol and other exotic fuels.
Soda Media Blasting
Soda media blasting is a method of cleaning all of the alloy parts of an engine, including carbs to look like new again.
Cylinder Porting
Our many years of 2 stroke engine tuning includes our never ending work in performing cylinder modifications. We use porting tools that work, and with such a vast experience in this very delicate and demanding area we can usually provide a job that is the equal of anything from across the globe.
Ignition testing & Timing
We are setup to handle Yamaha KT100S and KT100J ignitions, (which also covers the ARC) so if you have one that needs testing, or you want accurate timing marks engraved on yours, then we can help you.
Kart Tyre Fitting
We have the right tools to make changing kart tyres easy.
Walbro WB-3A Carburetor Tuning and Modifications
In 2006 we spent many hours out testing with our junior drivers in the National classes. By the end of 2006 we were able to produce a better performing WB-3A carburetor with revised drillings and o'ringed throttle shaft. This was our 1612 version carb.
Thru 2013 we improved the carb, now offering an NJ model carb with even better response.
Engine Tuning & Repairs
We apply 50 years of experience to:
Top-end rebuilds
Complete engine rebuilds
Blueprinting
Dirt Kart "race tune" or "fully modified tune"
Thread Repair
Including Helicoils, Timeserts (flanged inserts), and Spark plug thread weld and retap
Cylinder Bore Replating
Most plated cylinders can be re-plated - Chrome/Electrofusion/Nikasil. Also any damage repaired or welded and bore re-plated to suit the original piston and rings, either genuine or aftermarket brand. Chrome rings may be used in Nikasil® plated bores for long life.
Exhaust Manufacture & Sales
We manufacture 2-stroke exhaust systems from zinc-annealed or plain mild steel in 16 to 22 gauge (depending on application).
In the case of motorcycles, Odysseys, gearbox Superkarts, etc, the pipes are made and installed directly onto the machine - hence we need the bike, car or kart in our workshop for this to be done.
Kart Building & Repairs
We supply the best that the industry can give us to help our customers find that winning edge.
Dyno Services
Dyno room for testing includes printouts of all testruns performed, and all labour in making alterations or modifications necessary to engines or pipes as required while testing.
View Workshop Services

We Help you Achieve your Goals In Motorsport

WHAT's NEW

Visit our USED KARTS page for a selection of what's available at IWT.
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What Our Customers Are Saying About MOTA Software

"I just wanted to let you know that your MOTA 2-stroke engine software is great. I have been using it to study expansion chamber design for 2-stroke engines. I have read many books and SAE papers on this subject but MOTA has helped my understanding tremendously. By changing a expansion chamber parameter and then running a simulation I have gotten a better feel for how the pipe design changes the torque and power curves."
Ken
KenWA, USA
Many thanks for sending out so swiftly. May I congratulate you on a job well done. The adding of more exhaust sections to keep up with more modern trends is a welcomed addition as is the new section in the intake. Once again a cracking product and I will be recommending it to people over here.
Ken
KenUK
"I ordered your MOTA a couple of months ago. I played with it many hours, probably 200 and more. And to be honest, it's amazing !! I input the data of my stock snowmobile engine ( 600cc 3 cyl ) and I got 39.7 hp at 8,500 rpm ( x3 = 119.1 hp ). My engine is rated at 120 - 122 hp at 8500 rpm !! VERY CLOSE."
Pierre
PierreCanada
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