Honda D Series Forum banner
bisi valve springs booo
1-1 of 1 Results
  1. Engine Building
    I drive since 10 000km bisimoto stage 2 cam with bisimoto springs. I took a look on the the valve adjustement twice, and each time intake side clearance become closer of .001-.002 including the cam break-in. This complete head have only 60 000km done on it, 45 000 on stock engine and daily...
1-1 of 1 Results