Loss power 250 year 92

[shark]

250 year 92 carb.
runs well at first but at time to arrive around 3500 to 4000 rpm they start to loose power.....

[Bay Catt]

Check to make sure the gas is not contaminated with water. Ethonol gas is creating the same problems for a lot of boaters. Look at some of the prior postings.

[slim]

have your throttle position sensor checked also.