carbon build up?

[steelhead1]

if your motor has a lot of carbon build up and u have never decarbed it in about 7 years will it effect your max rpm's at full throttle?i do 90% of my time on the water trolling.the motor runs great (evinrude 120)but i have lost 200 to 300 rpms.i was going to buy a new sst prop and drop down in pitch to bring back my rpm's.was just wondering.<br />scott

 

[Kenny Bush]

Re: carbon build up?

Steelhead, yes carbon could be culprit. I decarb my motors about every 100 hours of use with SeaFoam. Decarb it and keep it clean. goodluck......BushCat

 

[KennyKenCan]

Re: carbon build up?

Steelhead,<br /><br />Definitly try a decarb before spending money on a new prop, unless of coarse, that prop is beat-up.<br /><br />I would not go down in pitch on that prop until a decarb is completed.

 

[steelhead1]

Re: carbon build up?

thanks guys for the reply.i never heard of decarboning til i got to this site.i thought my motor was running great but maybe it will run even<br />better doing this.<br />scott