How To

Rotax Muffler Matting

The Rotax Grand Finals are on, and all the new karts and engines will have new exhausts with fresh matting. But as you start clocking up the hours on the …

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How-To Video: Rotax MAX Tuning

Here’s another tech how-to video by Derek Jones at Power Republic – carby tuning on the Rotax MAX, covering things like jetting, float heights and needle positions.

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How-To: Brake Shims

Another Power Republic video, this time demonstrating a couple of ways to change brake shims in the Tony Kart caliper.


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Video: Rotax DD2 Build, Part 3

Here’s part 3 in Power Republic‘s Rotax DD2 race kart build up – installing the DD2 Power Valve and Exhaust on the kart.

How-To: Wiring Up the DD2

Power Republic‘s Part 2 video on setting up a Rotax DD2 race package – assembling and fitting the electricals.


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Video: MyChron 5 Series, Part 3

Here’s part 3 of Power Republic‘s Mychron 5 series of videos – the accessories guide.


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How-To Tech: Install a DD2

Derek at Power Republic shows how to set up a DD2 race kart, firstly by fitting the engine to the chassis, which is a bit different to the standard sprint chassis arrangement.

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Tech: Setting Squish

Ever wondered how squish clearance (the measurement between the cylinder head and the top of the piston at TDC) can be measured? Neil McAuley demonstrates his method in this video.


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Video: Sticker Cleaning & Care

What do you use to clean tyre marks off your kart? This video demonstrates three ways, plus a finishing wax to keep your rig looking good!

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How-To: Rotax Wiring Loom Installation

The FR125 Rotax MAX EVO comes new with battery, ECU, wiring harness (with several connectors) and a bunch of other hardware. But it’s almost plug-n-play. In this video, Derek at …

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How-To Tech: Rotax Power Valve Plumbing

The 125cc Rotax MAX EVO engine uses an Electronic Timed Exhaust Valve System. With opening and closing triggered by the engine’s ECU, crankcase pressure is used to open the valve …

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Tech: Master Cylinder Service

Here’s the second part of the Intrepid brake service by Power Republic – strip, clean and rebuild the master cylinder.

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How To: Use AiM’s MyChron 5

Here’s another how-to tech video from Power Republic. This time, Derek runs through the configuration and options on AiM’s Mychron5 data logging dash.


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How-To: Check Chassis Straightness

Taken a bit of a hit? Suspect your chassis might be bent? The kart’s tracking to one side? Here’s 3 ways to check your chassis alignment.

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Walbro Carby Service

Derek at Power Republic goes through servicing and settings for the Walbro carburettor as found on Yamaha KT100 S and J engines.


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How-To: Enduro Kart Prep

Power Republic has produced yet another handy information video – this time, 10 tips for endurance kart preparation (but many are relevant for sprint prep too!).

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How-To: Pedal Adjustment

Here’s a video about how to adjust the brake and accelerator pedals on a competition race kart.

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Road To Victory – PRD Galaxy Part 2

At the back-end of 2018, Power Republic produced a video of a new PRD Galaxy engine being pulled down and having its first run on the dyno. That engine has now won the Queensland State Cup…

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