Grant demystifies the black art of Tire Changing and Repair to help you STAY on the road! "Very informative and practical." See the trailer 
Cotton or synth sweat-wicking t-shirts with the Horizons Unlimited logo on the front and a snappy slogan (changing every year) on the back.
Show your route on your panniers. Great conversation starter when you meet people on the road!
Motorcycle and travel books to inspire and inform you!
ll 5 DVDs with a custom printed slip case. "The series is 'free' because the tips and advice will save much more than you spend on buying the DVD's."
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#1
27 Sep 2010
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xr compression ratio q's
Does anyone know what the differences are in the engines of the xrr, xrl, xr baja that account for different compression ratios? Is it just a different head gasket thickness?
I am debating outfitting an xr250r for travel, but I am concerned with the 10.2:1 compression ratio with an air cooled engine in some parts of the world. The baja has a more conservative 9.3:1 ratio and I know that it has been used to navigate Africa and South America. Any insight would be appreciated. Thanks 
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#2
28 Sep 2010
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If you've physically checked your bikes comp ratio - and its 10:1, you could added extra base gaskets - and make up 1mm which would lose you about 1 point from the CR, ending up with 9:1
 Ideally get a packing gasket made of 1.5mm ally - easy to make! Also give a bit more life to that old cam chain 
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