Thompson i/o bowrider

[Helgman]

1976 thompson I/O

I have been given a 1976 thompson 17ft bowrider and am having no luck finding information about this boat. Please help.

 

[JASinIL2006]

Is there anything specific you want to know?

 

[Helgman]

Where can I find owners manuals for specific boats ?
1976 thompson sea lancer. Specifically dashboard setups

 

[Helgman]

Individual owners manuals; dashboard setups. There are no labels left on switches.
1976 thompson sea lancer 184 120hp OMC engine
Trying to restore to working condition. Any information will be helpful

 

[jbcurt00]

Merged the topics. Please dont start multiple topics about the same subject.

Those manuals probably never existed, even when new. Any owners manual that came w the boat would have been extremely basic info, and a little about safety and wearing a PFD.

Its often a guessing game, esp if in 40+yrs any owner has hacked into the woring or made any changes.

Is the engine/outdrive running currently? If not, might consider a different project.

 

[harleyman1975]

Try getting ahold of the folks at Cruisers yachts. I Believe Cruisers and Thompson used to be the same family at one time. perhaps they can point you in the right direction?

 

[Helgman]

Thanx for the info. Currently can't get the outdrive lowered. Everything looks good for its age. Thought I'd try here before I pass on the project. It was in the water last year. Previous owner is unavailable for information.

 

[southkogs]

'76 OMC is an electric shift stringer. The majority of people on the forums will tell you to walk away from that drive package: OMC has been out of business since the 90s, the stringer hasn't been built since the 80s and they gave up on electric shift in the 70s.

I like the OMC, but they can be finicky and they are definitely a vintage setup that you'll have to take care of. Many marine techs won't work on 'em, and some parts are getting harder (if not impossible) to find. You can't re-power this boat to a Volvo or Mercruiser without doing a rebuilt job on the transom and hull.

If you're not into the idea of maintaining a vintage sterndrive ... don't do this to yourself. Lotsa' cool ole' boats out there with Mercruiser setups you can still get parts for or easily re-power.

The tilt issue is most likely the tilt motor on the lower port side of the intermediate (inside the transom nearly in the bilge). If you're not in a yoga position with a manifold pressing one eyebrow, you're not looking far enough back into the engine bay. The motors are pretty famous for needing to be pulled and cleaned/rebuilt.

:welcome:

 

[Helgman]

Thanx for the tip.

 

[Helgman]

Removed the quadrant gear and lowered the outdrive. Engine purrs like a kitten. Now it's time to remove the tilt motor and find out why it doesn't raise or lower.