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Motion Pro SyncPro Carb Tuner
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Motion Pro SyncPro Carb Tuner


  • Precise four channel vacuum indicator designed specifically for intake synchronization of engines with multiple carburetors or throttle bodies (max vacuum range 40cm Hg)
  • New mercury-free design uses non toxic manometer fluid
  • For use with any 2, 3 or 4 cylinder four stroke motorcycles
  • Spill proof design means the tool can be stored in a horizontal or vertical position
  • Easy to read scale for precise synchronization
  • Unaffected by barometric pressure changes
  • Includes hang hook to clip onto the handlebars for easy use
  • Rugged, impact resistant ABS enclosure with convenient storage area for adapters
  • Rubber feet on enclosure bottom helps prevent sliding
  • Includes manometer fluid, hoses, 5mm adapters, in-line restrictors and instructions
  • 5mm adapters are used on many Honda and Suzuki models
  • Optional 6mm adapters are available for use on most Yamaha models
  • Most Kawasaki models do not need adapters
  • Patent Pending


Product Style RevZilla Item # Manufacturer Product # Availability
Motion Pro SyncPro Carb Tuner 173823 08-0411 In Stock: Ships within 24 hours


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Motion Pro SyncPro Carb Tuner 4 5 6 6
Fluid evaporates easily. Bought it last year, used once, tried to use it a few months later and there was only blue dye residue left. The liquid evaporates easily so you're looking at buying refills, cleaning and rebuilding the manometer. Mercury-based ones don't have this problem. The "safety" advantage of this thing is silly. Spend a little more and get one with mercury. This is the ez bake oven of sync tools. I could go on with other issues the use of this "proprietary manometer fluid" creates that make it inferior to mercury, but the main point is here. September 21, 2015
Good product for the money. It comes with the adapters for Honda and Suzuki, but not Yamaha?! That's the only negative thing I have to say about it. It worked great on my Yamaha. Good, quality piece. August 24, 2015
Works very well I used this to sync the throttle bodies on my 2014 fjr. One of them was slightly out of sync and a little turn of the adjustment screw on the bike had all four at the same level on the Motion Pro. The adjustment on the bike correlates pretty precisely with the liquid in the Motion Pro. I'm very happy with the purchase. August 3, 2015
Quality Product! The Motion Pro SyncPro Carb Tuner is a quality product! The construction is great and feels worth the money. It was easy to put together and use. I did have difficulty installing the vacuum lines onto my motorcycle. The hoses were small compared to the vacuum connections on the carburetor and it was very difficult to get the hoses onto the connections. I wonder if anyone else has this issue. So the only thing that could be done to improve this product would be to add a hose adapter for larger vacuum tube sizes. April 11, 2015
A straightforward product Do you have a carb set that needs to be vacuum synced? You need a set of these. Pretty straightforward, does what it says on the tin. August 4, 2014
ye YEAH!1!11 October 21, 2009
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Motion Pro SyncPro Carb Tuner
Already Asked: 2 Questions, 3 Answers
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RevZilla Store asked: Why did you choose this?
William S: Best choice based on reviews of performance and price. Aug 14, 2015
MICHAEL L: trust you guys to sell a good quality gauge Mar 25, 2015
Rich p: best price on this carb tuner, free shipping also Jan 27, 2015
A shopper asked: Do these work on a 2 stroke dirtbike carb? Jan 23, 2015
Answer this · Send to friends Good question? Yes (0) No (0)