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Old 30-07-2016, 05:09 PM
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Default 1975 Triumph Bonneville Tyre Pressures

Anyone know the correct tyre pressures for a 1975 Triumph Bonneville?
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Old 31-07-2016, 04:34 AM
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Wouldn't that depend on whether you are running the traditional tubed type tyre or modern radial type?
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Old 31-07-2016, 08:56 AM
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Good point, tubed. Can't find any reference except for the newer bikes.
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Old 31-07-2016, 10:00 PM
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Start at Cold pressures of ;
28 psi Front and 30 Psi Rear for solo riding
and around
30 psi Front and 32 Psi Rear for 2 up riding .
.
Adjust by 1 psi on one wheel at a time if necessary .
.
Different manufacturers tyres will possibly need different pressures but they should all be roughly around those figures
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Old 01-08-2016, 04:42 AM
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If you've got an old Haynes manual for the triumph, wouldn't there be reference in that?
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Old 01-08-2016, 10:35 AM
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Cheers Fifer.

I've borrowed this one for a few weeks as I don't have pillion on my chop and the long haired general has decided she would like to partake in a couple of quiet sociable events.

It's a lot of fun trying to get used to a right hand gear shift!!!
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Old 01-08-2016, 04:10 PM
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I always ran my oil in frame bonny at 28 ps i rear and 24 front.

two up you should stick a bit more in the rear 30 32 probably.
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Old 02-08-2016, 09:22 AM
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Cheers Harry.

I'd forgotten how much fun the old Bonnies are to ride!!!
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