Riva 310 HP Kit for the Yamaha 1.8L Supercharged SHO Engine
Riva Motorsports offers an aftermarket kit that increases the horsepower of the Yamaha 1.8L Supercharged SHO Engine to 310HP. The Yamaha SHO engine is available in the Yamaha FZR, FZS, FX Cruiser SHO and FX SHO WaveRunners.
Riva's Dave Bamdas explains how the kit works.
Yamaha 1.8L Super High Output Engine Review 2013- By BoatTest.com
For more review, test, performance data, captain reports and more about
yamaha boats / pwcs, go to
Captain John Wenz shows the specifics of the 1.8L Super High Output Marine
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RIVA Yamaha FZR/FZS/FX-SHO Performance Power Filter Kit
Our Power Filter feeds your supercharged 'SHO' engine a steady diet of cool
air delivering greatly improved acceleration and rpm. Replaces restrictive
stock air box with a high-volume, precision-formed intake duct that
attaches to the Supercharger via a large
4" adapter. Cool air enters the system via an oversized K&N filter element.
Includes water-repellent pre-filter and detailed installation instructions.
• 2009~11 FZR/FZS & 2008~2011 FX-SHO FX-SHO Cruiser use Part # RY13040.
• 2012 FX-SHO/FX-SHO Cruiser use Part # RY13070.
More info @
Dustin Farthing's 85-mph Yamaha FX SHO WaveRunner
Yamaha rider Dustin Farthing gives FZ WaveRunner a look at his 85-mph
Yamaha FX SHO. Dustin rode this same WaveRunner to a 1-1-1 finish in the
Florida surf; winning Round 1 of the UWP-IJSBA national tour held in Panama
City Beach, FL.
How to Easily Add 40-hp to Your Yamaha FX SHO, FZR or FZS WaveRunner
The Riva/Athena Pro-Series ECU provides a huge performance advantage to the
Yamaha 1.8L Engine delivering over 40-hp to the stock SHO engine. ECU is
fully programmable with either RIVA supplied mapping or user adjustable
parameters. Most calibrations require use 91+ octane pump fuel. Plugs
directly into factory wiring harness via waterproof connectors.
Yamaha FZR SHO 400HP+
A modified SHO stage 3 conversion 2010 model on normal pump gas (93RON)
and no ecu mods done all home baked! put that in ur pipe !
I roughly measured the acceleration speed at 0 to 82 mph at 3 sec ,mods
done to improve handling stock pump but new Riva Racing impeller.
The 1/8th mile in about 6 seconds !
We have done a hundred hours on this ski and
it still has not given any problems ,build to last!
Yamaha MT-09 Vs Triumph Street Triple
How does the MT-09 stack up against the street triple?
Like lots of people commented, i have been very harsh on the MT-09. Let me
clear it up a little, its a freaking fantastic bike and i was only drawing
negatives when compared directly to the street triple, and its much cheaper
and faster so its really hard to
go past when looking at both bikes. It does only lack in areas that dont
matter for day to day driving.
But i was considering swapping the street to the MT from all the reviews,
but when i test rode it myself i was a little disappointed as i had put it
on a pedestal.
2013 Yamaha FZS WaveRunner
Whether it's on a closed course capturing World Championships or out for a
thrilling weekend with friends, Yamaha's FZS dominates. It flexes muscles.
And it inspires. Under the skin sits a 1.8 liter supercharged, Super High
Output Marine engine cranking out top speeds and industry-leading
acceleration in mere seconds. This 1.8 liter monster is the largest
displacement engine of any PWC on the water. But it's not all muscle for
this machine. A sleek, race-ready NanoXcel® hull delivers unmatched
predictability and edge-to-edge handling in tight turns. Light in weight
— yet heavy in the win column, the FZS is ready for whatever you toss its