Kelvin's Corner

Kelvin – Take note before July!

Some things for everyone to note before the July RHPK event. To be clear, I do check sprockets from time to time, and stripping down a sprocket covered in chain lube after an event is not the nicest thing. I

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Kelvin – Improve your engine’s performance

Want to know two easy ways to get improve your engine’s performance? Increase the compression ratio, or add more air/fuel mixture. One sure way to increase the compression ratio is to manipulate the spark plug (although, of course, I’m not

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Kelvin – Let’s talk tyres!

Tyres can play a huge part in your days racing. Get them right, you’re on the money. Enough grip, not too much is about right for a prokart. Get it wrong, the day is long and tedious with little to

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Kelvin – When do we race?

Well, this is a strange set of affairs and no mistake. I’m sure you, like me, are missing the racing terribly. Worse still for me, and perhaps some of you, I am in total isolation, due to age and underlying

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RHPK Potential Gearing Change?

There have been several engine blow-ups this year, more perhaps than I can ever remember happening in a season before. These have affected both our major engine suppliers, and have been caused by con-rod failure. This too, has previously been

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Post Round 6 – GX160 Honda Exhausts, Final Update

You will be aware that there were exclusions for non-compliance at the last round, involving exhausts. View the previous article here :-  You might recall that my reasoning centred on a camera view that tended to suggest that a port

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Post Round 6 – GX160 Honda Exhausts

First of all, a little history! The standard Honda exhaust has a baffle inside which, due to the extreme vibration and RPM’s we put it through, breaks off. When it does this, it rattles around inside the exhaust, breaking into

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Magnetic filler plugs

The RHPK engine regulations reflect the MSA Honda GX160 technical regulations, which are very clear about standard engine components, and what can be replaced. Unfortunately, the filler plug is not one of them! This does not mean that this is

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Honda GX160 Technical Regulations Update – v13a

The keen-eyed among you might have noticed that the Honda GX160 Technical Regulations have been updated from Version 12 to Version 13A, and there is a bit of a story around that. It is not unusual to update regulations, as

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Kelvin Nicholls – Sports person of the year Cup

I have been associated with the Premier UK or European Endurance Championship in one capacity or another for longer than I care to remember. In the early 90’s, Bob Pope run it for a while, followed by Dean Hall, Ted

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