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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Tech Video: Squish & Timing

Using some specialised tools, Derek Jones at Power Republic demonstrates how he checks squish and sets ignition timing.

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How To: Change Tyres

VIDEO: It’s an uncomfortable truth that fresh rubber is faster. Here’s a video, how to fit new tyres.

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How To: Change Rotax Gearbox Oil

The latest video from Power Republic shows how to change the gearbox oil and check the balance gears in the Rotax MAX engine. You’ll need…

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