Manfred's TR1. Discussion Boards - Low compression on XV920

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03.10.24 at 16:03:26

Manfred's TR1. Discussion Boards › Old TR1 Discussion Boards (read only) › Discussion Board 2001
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Low compression on XV920 (Read 3046 times)

Michael Warner(Guest) Ex Member	Low compression on XV920 04.07.01 at 22:46:00 I recently purchased an XV920 that is not running well. It is VERY low on power, and I am getting only 110 PSI compression on the back cylinder and 120 on the front. The bike only has about 20,000 miles on it and is not burning any oil. Any ideas?
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Erik Steen(Guest) Ex Member	Low compression on XV920 Reply #1 - 05.09.01 at 12:54:00 Hi Michael I had a bike like that, a 1982J model, some of the 920´s had bad camshafts, you can remove them without take the engine apart, if the loope is not shiny then it is worn and won´t lift the valve very much. Hi from Erik
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Iain MacPherson(Guest) Ex Member	Low compression on XV920 Reply #2 - 15.09.01 at 03:24:00 try making sure that the valves are not too tight then do a dry compression test then a little oil and another compression test which will determine whether it is the pistons and/or rings or valves that are at fault.
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Manfred's TR1. Discussion Boards › Old TR1 Discussion Boards (read only) › Discussion Board 2001
(Moderator: Manfred)