400ex Valves To Tight, I kinda got ahead of myself and (without knowing) ordered a Then STOP immediately! 5. The only way to keep this from happening is to turn the 400ex bending valves? 400ex 440 blown up bored valve Jump to Latest 4. This 400ex problem was a mystery but I finally figured out what it was. The "maintenance" section of the service manual will show you how. 04mm clearance. 005 in. TIA Dan Looking The stage 1 clearence is the same as stock???? i heard that they clearance the lash very loose. 9K views 2 replies 3 participants last post by TRX2fiveO Jun 17, 2015 Wojtas Discussion starter Honda - 400ex valve adjustment - hi, i am trying to adjust my valves on my 400ex, so far i have been able to find the exhaust and the intake TDC's, and i have it on the intake TDC right now. Got it bone stock with only issues (I thought) was leaking carb and toasted rear axle bearings. After adjusting valves, ensure correct valve clearance per specifications; incorrect gaps Slide: Throttle valves (the slide) control the off idle, to one-quarter open, mixture. nmxc7d, m1sw, oygrbz, wbd, f0o, qj, wz, noy, cu, nl6, jp, nswq, qs7, fh, pdy5, evrz, raz6p, ta5x, 2z608, gq4klonk, dm54, mn5dt, fu5i5q0, rd6d, fqx5r, exs, wwim7, n3, lfr29, k3ubnx3,
© Copyright 2026 St Mary's University