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GT Marine: Outboard Motor Specialist
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Tips and tools

Propellers drive boat performance

5/8/2019

 
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Finding the right propeller for your outboard can significantly impact your boat’s performance and your boating enjoyment. If your propeller is too big or too small (in pitch and diameter) you’ll be frustrated by either sluggish acceleration or low top-end speed. The wrong size propeller can also cause wear and tear on your engine. 

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​Buying second-hand? Here’s what to check first.

1/4/2019

 
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​If you’re in the market for a second-hand powerboat or outboard only, it’s a good idea to arrange a pre-purchase inspection from a qualified mechanic. But before you do, there are some checks you can do first.  ​

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How to avoid costly water pump issues

1/3/2019

 
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​​One of the most common repair jobs we’ve encountered this summer are burnt out water pump impellers. In many of cases I believe this can be easily avoided, as faulty ear muffs are a major contributor.

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Your summer boating guide

1/12/2018

 
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​Is your boat ready to hit the water this summer? If it's been a while since you've taken your boat out, or started your outboard motor, follow these simple steps to ensure that your boat is ready when you are.

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What Our Clients Are Saying


"I can vouch for George's work. I've got an older 91 90HP outboard that has never missed a beat since George took over maintenance a few years ago. Great mechanic and highly recommend him."

Iain Hally, Auckland

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  • Home
  • Services
    • Outboard servicing >
      • Booking request
    • Outboard repairs
    • Electronics
  • Honda Outboards
    • Quote
    • Finance Calculator
    • Apply for Finance
  • About
  • Tips & Tools
    • Maintenance checklist
  • Contact