I torqued mine at 25 lbs. I also went and got some new larger o.d. washers and ground each side of them down so they would fit in the slot in the ignition housing, scrapped the old small, flat washers, kept the lock washers as they were wearing a groove in the bottom of the slot. Seemed too be alot of wear on the rear bolt for what ever reason. You could physically see where the housing was rubbing on the rear head.