John ..... back in the 80's I used to subscribe to several motorcycle magazines, and those writers knew their bikes. They did an experiment with two brand new Kawasaki 4-cylinder street bikes. Both bikes were ridden by all members of the test group over the period of a year or two and ridden under all conditions and ridden both hard and easy. One bike had regular oil and filter changes, whatever was recommended by the manufacturer. The other kept the original oil and filter. Both bikes received regular other maintenance and small fixes to keep them on the road and of course, had the oil topped up a bit when needed. At the end of the test and maybe 50,000 miles, they tore both engines down and did all sorts of measurements for wear. Bottom line is that there was not a whole lot of difference between the engines in the two bikes. I'd love to track that article down.
Meanwhile, some of the claims that people make about oil are off the charts. This oil is great andthis one is crap is nonsense if they have the same basic rating IMHO. Sometimes a person will tell us that a differrent oil changed an oil-guzzling monster into one that never used a drop of oil. Some claim they ruined six engines and then switched brands and never had a probem again. I'm very sceptical about those kinds of claims, I just flat out refuse to believe it.
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Today's Featured Article - A Lifetime of David Brown - by Samuel Kennedy. I was born in 1950 and reared on my family�s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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