Here's one from left field. Picked up a lightly used Toro Recycler with Smart Stow. Like it because I have limited garage space. However, original engine smoked because of a scored piston. Had a good Briggs Professional series engine that bolted right up to the deck & everything works as it should. However, the dipstick on the replacement engine angles a bit backwards which is no problem on a non-smart stow deck but causes a slow leak from the dipstick because the smart stow feature means the deck & engine is stored vertically. On the original engine the dipstick was designed to be straight up (no angle) so as to avoid leaking. Question is: why doesn't the o-ring on my replacement engine dipstick cap (pictured) seal completely? Is it supposed to vent somewhat? I thought the crankcase breather did that job. Maybe I need a new o-ring but the existing one looks fine, quite soft & no cracks or breaks.
