1981 Johnson V4 90 HP; 2 or 4 stroke?

[renaudTN]

Hi y'all,

I just got a used boat with this motor on it, and I'm wondering if it's a 2 stroke or 4 stroke. I'm pretty sure it's 2 stroke but I'd like to be sure before I take it out on the lake.

Thanks

 

[kenmyfam]

Re: 1981 Johnson V4 90 HP; 2 or 4 stroke?

2 stroke. 50 to 1 mix of TCW-3 rated 2 stroke oil.
Check the top secret files for info on maintenance etc. Do you know the condition of the water pump ???

 

[Daviet]

Re: 1981 Johnson V4 90 HP; 2 or 4 stroke?

Should be a 2 stroke, post the model number so that we can cross it to be sure.