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Dirty coolant rotax 250 HP Chaparral Vortex

212s

Jetboaters Captain
Messages
2,261
Reaction score
1,598
Points
227
Location
1000 Islands
Boat Make
Yamaha
Year
2020
Boat Model
212S
Boat Length
21
Looks like oil residue in the coolant? I would flush it out and replace the coolant to start and then look for the source of the contamination. You should also post this in the Chaparral and Scarab forums where the Rotax engines are used in those boats - perhaps someone has seen a similar issue.
 
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