Evinrude 6hp upgrade

[J.Fullen]

Hello all,I have a 1975 Evinrude 6hp,,,Model# 6505R/Serial# J002962.Iwould like to upgrade this motor.Are there carbs for this motor that will accomplish this? also what weight oil for the lower unit ? is 75 weight ok. Thanks for any ***istance.,,,,Jeff...

[boats.net]

There is no guaranteed way to obtain more power from your 6hp and parts are limited. Marine 90 weight would be better.

[J.Fullen]

Evinrude upgrade

Thanks for help