"AQ 225 e coupled to VP270, 19
"AQ 225 e coupled to VP270, 1986 21 foot Bayliner Trophy Backfires at > 3K rpm.intermitently. Boat always maintained tuned. Will go several days or weeks without problem then backfire for a day or return to Marina. Last year adding Lucas Brand fuel treatment...
"I have an 1986 AQ225E with a
"I have an 1986 AQ225E with a 270 outdrive on a Bayliner Trophy and was considering trying to upgrade to an outdrive with Duo prop. Anyone have any experience with this ?. ? need different transom mounting collar, shim, drive lift? Potential performance gain...