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Old 01-29-2013, 02:25 AM   #20
chasbmw
Beastly Adventurer
 
Joined: Feb 2006
Location: Bath Uk
Oddometer: 1,886
If you are doing the work, replace the exhaust valves and guides as a service item. The valve heads can and do drop, which can be very expensive.
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Charles
http://i46.photobucket.com/albums/f1...ps6e61ae2e.jpg
R90s 1070 replica, R90/6
1971 Commando Fastback
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