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300hr O/H or swap, Includes Carb & Gear Box Service 

We can either rebuild your 503 or swap your servicable core with one of our engines 

Core charge of $1,000.00 Will be refunded once we recieve your good core 

Please allow 6-8 weeks for delivery 

Rotax 503 Duel Carb Dual Ignition 300 hr O/H

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