spez778 Posted April 4, 2010 Hi all, just replaced the valves in my 94 xr600 and got it all timed up correctly and when i bolt then rocker cover down t locks up the cam and the rockers dont move So i took the cover off and looked for any signs of breakage but cant find any just wondering if anyone has any knowledge of this happening as the bike was running fine b4 i bent an inlet valve. Thanks in advance Share this post Link to post Share on other sites
scalejockey Posted April 4, 2010 At top dead center of the piston,are the cam lobes pointing down?They should be if the timing is right.. That's all i can think of right now. Share this post Link to post Share on other sites
ThumpNRed Posted April 5, 2010 You didn't leave out the roll pins that sit at both ends of the cam did you? Without them, the cam will wander off center and jam on the casting. Share this post Link to post Share on other sites
spez778 Posted April 5, 2010 hi red yep got those in but without the cover on the cam goes around beautiful but when i put the cover on and even just the slightest tension on the middle bolt the cam locks up im buggered as to what it is ive checked the cover and forks and theres nothing worng with them at all cheers for now Share this post Link to post Share on other sites
spez778 Posted April 5, 2010 oh, by the way all the valve springs are the same yeh? Share this post Link to post Share on other sites
BLSBRKR65 Posted April 5, 2010 Did you check your cam timing chain? Maybe it got caught into something. Spin the cam by turning the flywheel counter clock wise and see if it does. Gasket in the way maybe? My 2 cents. Share this post Link to post Share on other sites
spez778 Posted April 5, 2010 ok cool thanks will try that tomorrowill let u know whats going on Share this post Link to post Share on other sites
ThumpNRed Posted April 5, 2010 oh, by the way all the valve springs are the same yeh? Yes...all the same. Share this post Link to post Share on other sites
