2023 OWNER’S MANUAL 
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 214
This function should be done sparingly. Over-revving the engine for 
any extended period can cause undue wear and tear on the engine. 
Avoid advancing to wide-open-throttle and holding the RPMs at 
that level.
Troubleshooting
If the shift/throttle lever will not move, be certain that the lifter 
under the ball knob is lifted up before attempting to move the 
lever forward or aft. If the lever still will not move, contact your 
authorized MasterCraft dealer.
Never attempt to shove or force the lever. If it does not move 
smoothly when operated as indicated, there may be an issue 
involving the system that requires correction in an area under the 
deck, which is inaccessible to the consumer.