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200hp Johnson Bad Cylinder

T

tom

Regular Contributor
" I finally got the cylinder h

" I finally got the cylinder head off the engine and the cylinder that tested zero for compression is in very bad shape. The cylinder dome on the head looks like a dried up river bottom (or Clint Eastwood's lips). It is covered with scratches, pits, and gouges. The cylinder wall has a couple of very deep scratches and the bottom of the cylinder wall, next to the exhaust port, has a broken piece about the size of a dime. It would seem that this piece broke off any was chewed up in the cylinder or perhaps a piece of FOD was left in the engine and was sucked up by the piston. Is this a fixable thing or is it time to buy a new block or powerhead?

Thanks again for all your help.

Tom "
 
A sleeve can be installed. Wh

A sleeve can be installed. What shape is the rest of the motor in (actual measurements and piston to bore clearance)
 
" Hi Sparky,

The motor has

" Hi Sparky,

The motor has been bored once before. I haven't yet taken the measurements but will get back to you as soon as I do.

tom "
 
"Tom..... What year is that 20

"Tom..... What year is that 200hp, model number?

Joe
"
 
" Joe,

The motor is a 1989

" Joe,

The motor is a 1989 Johnson 200hp model number J200TXCEA.

Tom "
 
"Tom.... If your powerhead req

"Tom.... If your powerhead requires rebuilding or replacing, I have one professionally rebuilt powerhead left in stock (Part #431798). However, unfortunately I am unable to ship it.

Many times (more often than not), it is cheaper to replace the powerhead than to rebuild it, but of course that's something you would need to figure out. Should you be interested and are able to get to the Tampa Bay, Florida area, contact me at [email protected] .

Joe
"
 
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