1969 85hp Johnson problem..??

[xxwulvexx]

Hey guys......<br /> my Johnson starts ok , runs perfect for about 30 minutes , then stalls out...and once it restarts its idles very poorly and when i try to give it some throttle it bogs down and stalls out... Any one have any ideas on what this could be ? and secondly , Does anyone know if there are 1 or 2 thermostats on this engine? and where they or it is located?<br /><br />Thanks Alot !!

 

[DJ]

Re: 1969 85hp Johnson problem..??

xxwulvexx,<br /><br />Most likely, your engine is suffering from the need of carburetor overhauls and a sync. and link. Neither job is too difficult with a manual. Look here for that.<br /><br /> http://www.outboardrepairs.com/manuals/ <br /><br />Your engine has two thermostats. Look for the rubber hoses going from the heads to the thermostat manifold on the bottom rear of the block.

 

[ledgefinder]

Re: 1969 85hp Johnson problem..??

Just one thermostat and venostat on the early V4s, like this 1969. If the thermo is there and acting properly, the cylinders should be warm/hot - you should be able to rest your fingers on them for a few seconds. <br /><br />Does this happen repeatedly, so that if it cools it'll run fine again for the first 30 minutes, then crap out? Is the battery charging?