1993 Chaparral 1800sl newbie

Desert Toad

Cadet
Joined
Jul 12, 2018
Messages
19
Hello all!

I recently picked up this boat, condition is great for the age, 4.3 runs fantastic. But I’m having a hard time finding anything online about it. Downloaded an owners manual, but more interested in service books and capacities. I assume I should run 25-40 oil?

thanks for any help and direction!

DT
 

tpenfield

Moderator
Staff member
Joined
Jul 18, 2011
Messages
18,166
:welcome:

Look for service manuals/info for the engine, not the boat. Is it Mercruiser or Volvo-Penta ?
 

Old Ironmaker

Captain
Joined
Dec 28, 2015
Messages
3,050
You will get more technical information with a new 300 buck TV from Walmart than a new 70K boat. It's the drivetrain manual you want to get here at iboats.com. Forget about an electrical schematic, hardly exist in my experience, for the engine yes but rare for a 18' boat in my experience. The manual for my boat tells me how much it weighs and how long, wide and deep it is, that's all. Not like automobile manuals.
 
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