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Footnote: The weather forecast for Sunday was horrific, thunder, lightning, rain, sleet, hail et cetera.... the 'experts' couldn't have got it more wrong. It was glorious.

A wet start to our racing season, Saturday was awful, virtually horizontal rain, not the most pleasant of conditions to race in, but we've had worse! Good results with the Yamaha 600's, Erv' Wallace was highest placed at third over the weekend's four races. Other Yamaha 600 riders (on my bikes) were Steve Panter, Paul Rogers (good trials man in his day), Oli' Bingham and James Ford**. Martin 'Digga' Dyke got a highest of third place too on the Spencer Racing Honda in the Classic Ultralightweight class. A few teething problems with the Commando, nothing serious, a bit of moisture in the electrics caused a misfire. The Suzuki 400 did very well, bit of a rush build and no time to test, but it finished all four races up near the front. I lent a lad a spare bike, Yamaha 600 and he proved to be a good rider, James Ford, bit of a decent Isle of Man racer and keen Fantic twinshock trialler..... he's going to be racing for me for the rest of the season. (And trialling with me when there's no racing). Croft next.....

Are you sure it isn't just the expansion of the coolant due to heat?

Forecast changed again. Dry and breezy until 16.00 hours. Gearing being changed, leathers hanging out to dry.....

Probably better than me with two boots....

The old NCB wellies/Dunlop trials boots.

Hahaha, yes Deryk, you're right. At least we're getting to race. Three years ago we turned up at Brands Hatch in March and got snowed off. Nice at the moment, 09.48, even a bit of sun shining through, but thunder and lightning prophesied in the next few hours. Much like the observers at trials, it's the marshals I feel sorry for in this weather.

Well, I got that wrong... weather has been bloody awful..... driving rain!

A good source of info'... http://www.carlsalter.com/classic-bike-service-manuals.asp www.carlsalter.com

NHS Proposals The Royal College of Nursing has weighed in on Prime Minister David Cameron's health care proposals for the National Health Service. The Allergists voted to scratch it, but the Dermatologists advised not to make any rash moves. The Gastroenterologists had a sort of a gut feeling about it, but the Neurologists thought the Administration had a lot of nerve. The Obstetricians felt they were all labouring under a misconception. Ophthalmologists considered the idea short-sighted. Pathologists yelled, "Over my dead body!" while the Paediatricians said, "Oh, Grow up." The Psychiatrists thought the whole idea was madness, while the Radiologists could see right through it. Respiratory therapists aren’t holding their breath. The Surgeons were fed up with the cuts and decided to wash their hands of the whole thing. The Ear Nose and Throat specialists didn't swallow it, and just wouldn't hear of it. The Pharmacists thought it was a bitter pill to swallow, and the Plastic Surgeons said, "This puts a whole new face on the matter...." The Podiatrists thought it was a step forward, but the Urologists were *** off at the whole idea. The Anaesthetists thought the whole idea was a gas, but the Cardiologists didn't have the heart to say no. In the end, the Proctologists won out, leaving the entire decision up to the arseholes in Whitehall.

Check air filter and exhaust for cleanliness. Make sure your brakes aren't binding.

I know a chap who had his Suzuki race bike expansion chambers done in gloss black powder coating, it looked great, didn't bubble or deteriorate. It cocked his carburation up though as it messed with the acoustics/resonance. Shouldn't be too much of a problem with a relatively low revving trials bike engine without expansion chambers.

The other security bolt. (Tyre retainer).

These are pretty good at sourcing 'old' parts. www.cmsnl.com here's a link to the Yamaha page....... http://www.cmsnl.com/yamaha-motorcycle_model16707/ And there's some nice schematics on the web site. I was building an old Yamaha racing engine a couple of years ago and was told a chap called Gary Flynn at CMC Clay Cross might be able to help with some parts made from Unobtainium. I rang him and he had the bits I wanted flown in from Yamaha Europe, where a large stock of parts is kept, within three days and not expensive.

I didn't suggest using 'ordinary' Hammerite.... although this stuff is matt finish.http://www.toolandfix.com/hammerite-hhpblaero-high-heat-paint-aerosol-black-400ml.html?utm_source=google_shopping&gclid=CP_droLI3MsCFesV0wodGuYCBQ

Hammerite, Plasti-Kote, Halfords......

Which one?? Not mine, I hope.......

On the lower photo', is that a water droplet in the clear tube? Might be worth draining the tank and carb' and making sure it's nice and moisture free.

I haven't had any problems going as weak as 50:1 with any engines, but I err on the safe side and use 40:1. It's what you're comfortable with. It's the ol' 'How long's a piece of string' job.

Clean both the O ring and the cap off and smear a tiny bit of Tiger Seal (or similar product) on the O ring on the upper edge which sits in the cap, this should hold it in place.

I think at 14 years old you shouldn't be calling it a baby, he'll get picked on at school......; >)

The answer.....

I use a measuring jug, syringe and hand whisk.

50:1 fifty parts petrol to one part oil.... 40:1 forty parts petrol to one part oil....

I use 40:1 Morris fully synthetic MX 2 stroke oil in all my two stroke trials bikes. It's what works best for me. Other ratios are available.....