Yamaha Grizzly 550 Specs and Review

Identical to how Suzuki’s QuadZilla spawned the 500-class sport ATV class, the Yamaha Grizzly 550 takes credit score for being among the many progenitors of present-day mid-size utility ATVs. Certainly one of Yamaha’s milestone four-wheelers, this 550-cc quad extremely resembled the big-bore Grizzlies.

Off-roaders beforehand didn’t comprehend its position within the ATV panorama. However that each one modified with extra leisure and severe aficionados appreciating compact, hybrid machines.

Produced from 2009 to 2016, the Yamaha Grizzly 550 was a mid-size utility automobile that made waves throughout the first decade of the millennia. Sporting a 558-cm³ energy mill, WideArc™ twin A-arms, UltraMatic™ V-belt transmission, and Yamaha Gasoline Injection, the 4×4 was a visionary forward of its time.

The Yamaha Grizzly 550 is a basic instance of a well-calculated threat that Yamaha took on the proper time. Launching a category solely 50-cc in need of the flagship ATV could have appeared absurd on the time, however the weight and measurement distinction solely helped broaden the automobile’s software.

Given its high-performance lineage, new-found agility, and fewer problematic nature, I dare say that the Yamaha Grizzly 550 is the Prince of 4x4s. Learn on and be taught extra about this meritorious four-wheeler.

Blue 2012 Yamaha Grizzly 550 ATV

A Kingly Lineage 

Many fans have been baffled by the introduction of the Yamaha Grizzly 550 in 2009 and deemed it a counter-intuitive transfer by Yamaha. None in charge, actually – the 4×4’s launch occurred at a time when greater and beefier machines have been perceived to be higher total. Nonetheless, the Japanese agency noticed past this development and determined to push via with a extra compact 550-cc Grizz. Consequently, the lineup launched a complete of seven (7) trims and quite a few fashions all through its manufacturing run.

Produced from 2009 to 2016, the Yamaha Grizzly 550 nonetheless shared the identical DNA with its higher-displacement predecessors however was extra reasonably priced – and supplied extra manageable energy as well. The mid-size ATV didn’t have the Ténéré-inspired energy mill of its 600-cc namesake. As a substitute, it took after the center of the sturdy 700-cc Grizz – the one distinction being within the bore-stroke ratio, cylinder head design, take-off energy, and laptop mapping.

As if its rugged, adventurous nature weren’t sufficient, different standout options reminiscent of a stainless-steel exhaust system with aluminum warmth shields, a three-position On-Command All-Wheel Drive system, and a dependable braking system made the four-wheeler much more spectacular.

Moreover, the Grizzly embraced expertise by evolving from being purely carbureted to having Yamaha Gasoline Injection (YFI). Satirically, most fans have been unaware of this improve and unknowingly handed up on getting the Grizzly 550 in favor of its greater siblings.

2014 Yamaha Grizzly 550 Specs & Options


Energy comes from a liquid-cooled (with fan), 4-stroke SOHC engine, with a forward-inclined, single-cylinder association and an over-square bore-stroke ratio of 92 × 84 mm (3.62 × 3.31 inches). Engine displacement is 558 cm³, the compression ratio is 9.3:1, and the lubrication system is a wet-sump kind. Yamaha Gasoline Injection (YFI) with a 40-mm Mikuni throttle physique handles the 4×4’s induction.

The above engine configuration – coupled with curler rockers and ceramic composite plating – provides a prime pace score of 57-66 mph (92-106 km/h) and a most horsepower of 36.9 hp (27.5 kW). If you happen to discover this energy output missing, add an EHS airbox lid and drill a couple of holes within the pipe (not the arrestor plates) for a 5-hp acquire on the crank.

Gasoline & Lubrication

It has a 5.28 US gallons gasoline tank capability with a 1.19-US gallon reserve. Really useful gasoline is common unleaded gasoline with a minimal PON 87+/RON 91+ score. Guaranteeing ample gasoline ranges is handy on the 550-cc Grizz for the reason that quad has a self-diagnosing gasoline meter that screens gasoline and glitches within the electrical system.

Lubrication-wise, oil capability with out filter substitute is 2.0 liters/2.11 US quarts and a couple of.10 liters/2.22 US quarts at oil filter change. For greatest outcomes, use SAE 10W-40 Yamalube 4-stroke oil (view on Amazon) or its equal (Viscosity grades SAE 5W-30, 10W-30, 15W-40, 20W-40, or 20W-50 following ambient temperature are manufacturer-approved alternate options). By no means combine chemical components within the oil or use variants labeled “Power Conserving II” or increased to forestall starter or clutch slippage. Lastly, the engine oil ought to have a minimal API service grade of SJ assembly JASO T903 MA requirements.


An UltraMatic™, V-belt (frame-centered) shaft drive and moist, centrifugal clutch meeting delivers energy to the bottom. A one-way sprag clutch and six-shoe configuration make All-Wheel engine braking predictable no matter speeds – sustaining fixed belt rigidity for diminished belt put on and boosting rider confidence. A 3-way On-Command® In/Out 4WD push-button makes switching between 2WD, limited-slip 4WD, and fully-locked differential 4WD handy and beginner-friendly.

Secondary Discount Ratio 41/21 × 24/18 × 33/9 (9.544)
Reverse Gear Ratio 23/14 × 28/23 (2.000)
Low Vary 31/16 (1.938)
Excessive Vary 31/27 (1.148)

Due to the redesigned cylinder head, Digital Energy Steering, and stream expertise that went into the Yamaha Grizzly 550, throttle responsiveness improved, and the quad can get extra bottom-end energy. Plus, the shift from carburetion to the brand new Yamaha Gasoline Injection (YFI) has rendered the machine extra adaptable to a dynamic vary of altitudes and driving circumstances.

Green 2014 Yamaha Grizzly 550 ATV


The Grizzly 550 is delivered to life by a CDI ignition with an electrical and recoil begin system. It has a CDI-magneto generator system. The mid-size ATV is delivered to life by a 32-Bit ECU-controlled TCI ignition with an electrical and recoil begin system. An A.C.-magneto serves as its charging system and energy supply for digital equipment.

The automobile additionally requires a 12V, 18 Ah/(10 HR) YTX20L-BS battery (view on Amazon). All trims have an NGK/LMAR6A-9 spark plug with a 0.8–0.9 mm (0.031–0.035 inch) hole and 13 Nm (1.3 m-kgf, 9.4 ft-lbf) torque spec. Really useful fuses for 2014 Grizz fashions are under:

Description Amperage
Predominant fuse 40.0 A
Headlight fuse 10.0 A
Ignition fuse 10.0 A
4WD motor fuse 10.0 A
Signaling system fuse 5.0 A
Auxiliary DC jack fuse 10.0 A
Radiator fan motor fuse 20.0 A
Gasoline injection system fuse 15.0 A
EPS fuse (YFM550PF) 40.0 A
EPS fuse (YFM550PHF) 40.0 A

Tires & Brakes 

Tubeless AT25 × 8-12 entrance tires and AT25 × 10-12 rear tires mount on 12 x 6.5AT (entrance)/12 x 7.5AT (rear) aluminum panel wheels. Relying available on the market, the Yamaha Grizzly 550 could have both Cheng Shin C828 (Australia, New Zealand) or Maxxis MU19/MU20 (Europe, France, Nice Britain) tires. Really useful cold-tire strain for entrance tires is 35 kPa (0.35 kgf/cm², 5 psi) and 30 kPa (0.30 kgf/cm², 4.4 psi) for rear ones. Individually operated twin hydraulic discs present the quad stopping energy and full its tire-and-wheel meeting.


A tubular metal body (5° caster angle, 26.0 mm/1.02 inches path) encloses entrance and rear impartial double-wishbone with oil-damped coilovers. Each entrance and rear suspensions have five-way preload-adjustable shocks and respectively supply 180 mm (7.1 inches) and 230 – 241 mm (9.1 – 9.5 inches) of wheel journey. The 1,250 mm (49.2 inches) wheelbase, 275 mm (10.8 inches) floor clearance, 3.2 meters (10.5 ft) turning radius, and oil-damper kind shocks make for spectacular management and luxury when traversing whoops, dunes, rock ledges, and different technical terrains.


The utmost loading restrict of the Grizzly is 220 Kg (485 lbs.) – it is a mixture of cargo, tongue, rider weight, and equipment. The pulling load restrict (complete weight of cargo and trailer) is barely increased than that of the 660-cc Grizz at 5,880 N (600 kgf, 1,322 lbf). Vertical weight on trailer hitch level is 147 N (15 kgf, 33 lbf). Service load restrict is 130 Kg – 45 Kg (99 lbs.) / 85 Kg (187 lbs.), entrance and rear. Towing capability is 1,322 lbs. and is maximized with a ZEAK 5500lb Powersports Winch (view on Amazon).


On the surface, the Yamaha Grizzly 550 is a spitting picture of its 700-cc namesake however with minor enhancements. The saddle seat has 6 inches of cushion that makes lengthy rides comfy. The throttle thumb is beginner-friendly, and the shift rod is extra prolonged, leading to easy shifting. Powerful plastics supplied in a number of shade choices (Forest/Hunter Inexperienced, Metal Blue, Realtree AP HD Camo, and many others.) give the machine its rugged attraction and preserve engine parts free from sticky substances.

Yamaha Grizzly 550 Pricing

Blue 2013 Yamaha Grizzly 550 Quad

The record value for the Yamaha Grizzly 550 ranges from $7,599 (customary fashions) to $9,149 (Realtree AP HD Camo with EPS trims). Resale values fall between $1,000 and $5,675 on reseller and public sale websites and between $3,255 and $7,000 when traded in at dealerships.

In your reference, here’s a rundown of all Yamaha 550 Grizzly fashions and their respective costs till 2015 (supply: nadaguides.com):

Yr – Mannequin – Trim Checklist Worth Retail/Commerce-In Values
2009 Yamaha Grizzly 550 – YFM5FGYB $7,599 $3,425 – $4,505
2009 YFM5FGHY Grizzly (Camouflage) $7,999 $3,255 – $4,285
2009 YFM5GPYB Grizzly $8,199 $3,630 – $4,775
2009 YFM5PGPHY Grizzly (Camouflage) $8,699 $4,030 – $5,300
2009 YFM5FGPSEY Grizzly (SE) $8,799 $4,030 – $5,300
2010 YFM5FGZCR Grizzly (Hunter Inexperienced) $7,599 $3,440 – $4,525
2010 YFM5FGHZ Grizzly (Camouflage) $7,999 $3,755 – $4,940
2010 YFM5FGPZGR Grizzly (Hunter Inexperienced) $8,499 $3,880 – $5,105
2010 YFM5FGPHZ Grizzly (Camouflage) $8,899 $4,190 – $5,510
2011 Yamaha Grizzly 550 – YFM5FGAGR $7,999 $3,730 – $4,910
2011 YFM5FGAL Grizzly $8,249 $3,840 – $5,055
2011 YFM5FGHA Grizzly (Hunter Inexperienced) $8,499 $3,920 – $5,155
2011 YFM5FGPAGR Grizzly (EPS) $8,699 $4,220 – $5,550
2011 YFM5FGPAL Grizzly (EPS) $8,949 $4,290 – $5,645
2011 YFM5FGPHA Grizzly Hunter (EPS) $9,149 $4,375 – $5,755
2012 YFM5FGBGR Grizzly (Hunter Inexperienced) $7,999 $4,250 – $5,595
2012 YFM5FGBL Grizzly (Blue) $7,999 $4,250 – $5,595
2012 YFM5FGHB Grizzly Hunter (Camouflage) $8,449 $4,315 – $5,680
2012 YFM5FGPBGR Grizzly (EPS, Inexperienced) $8,699 $4,355 – $5,730
2012 YFM5FGPBL Grizzly (EPS, Blue) $8,949 $4,455 – $5,865
2012 YFM5FGPHB Grizzly Hunter (EPS) $9,149 $4,570 – $6,010
2013 YFM5FGDGR Grizzly (Hunter Inexperienced) $7,999 $4,505 – $5,930
2013 Yamaha Grizzly 550 – YFM5FGDL (Blue) $7,999 $4,505 – $5,930
2013 YFM5FGHD Grizzly Hunter (Camouflage) $8,449 $4,580 – $6,025
2013 YFM5GPDGR Grizzly (EPS, Hunter Inexperienced) $8,699 $4,600 – $6,050
2013 YFM5FGPDL Grizzly (EPS, Metal Blue) $8,949 $4,740 – $6,235
2013 YFM5FGPHD Grizzly Realtree AP HD Camo (EPS) $9,149 $4,815 – $6,335
2014 YFM550DEG/DEL Grizzly (Inexperienced/Blue) $7,999 $4,625 – $6,085
2014 YFM550DHEH Grizzly Hunter (Camouflage) $8,449 $4,860 – $6,395
2014 YFM550PEG/PEL/PER Grizzly (EPS, Inexperienced/Blue/Crimson) $8,699 $4,955 – $6,520
2014 YFM550PHEH Grizzly Hunter (EPS) $9,149 $5,320 – $7,000
2015 Yamaha Grizzly 550 FI Auto EPS 4×4 $8,699 N/A

Pre-loved Grizzlies under $2,000 could have some rust formation, useless batteries, or transmission points. In the meantime, items with values falling on the upper finish of the value spectrum have plastics in near-mint situation. Generally, they arrive with unused Caiman Efficiency CV shafts (or different aftermarket efficiency elements).

Out of all yr fashions, 2009 and 2013 Grizzlies preserve their worth rather well and are reputably in higher working situation in comparison with the remaining. Nonetheless, be sure to examine secondhand items you might be eyeing to buy completely. It is usually value mentioning that almost all resale items have greater than 1,200 hours on them. Extra hours usually are not essentially equal to an abused quad. However if you wish to aspect with warning, search for secondhand Grizzlies with fewer earlier homeowners.

Yamaha Grizzly 550 Issues

Green 2013 Yamaha Grizzly 550 ATV

The Yamaha Grizzly 550 could also be removed from excellent. However it’s undoubtedly a notch higher than its 600-cc model when it comes to reliability. This part will cowl among the machine’s small achievements, in addition to its prime (and different still-existent) issues:

Recall – Steering Points

Yamaha voluntarily recalled some 2008 to 2010 Yamaha Grizzly 550 fashions on account of a defect within the steering column assist meeting, which had a propensity to crack. The mentioned defect doubtlessly resulted in a lack of management and crash hazards resulting in severe accidents. Roughly 20,000 ATV items have been affected – a mixture of 550-cc and 700-cc Grizzlies – and included the next mannequin numbers:

  • 2009 Yamaha Grizzly 550 – Mannequin Quantity YFM550FGHY
  • 2009 Yamaha Grizzly 550 – Mannequin Quantity YFM550FGY
  • 2010 Yamaha Grizzly 550 – Mannequin Quantity YFM550FGHZ
  • 2010 Yamaha Grizzly 550 – Mannequin Quantity YFM550FGZ

Beginning Issues

Beginning points proceed to be a priority for some riders (though not for a similar causes as on the Grizzly 600) and sometimes hint again to a low-voltage battery or faulty electrical part. To rule out the precise root trigger, use a multimeter to find out in case your battery has the fitting voltage. In any other case, you will want to completely cost the battery or change it.

So as to add, entry the starter solenoid by unbolting the entrance rack and eradicating the entrance cowl. Check whether it is working correctly through the use of your multimeter whereas beginning your ignition and utilizing your brake to see if the solenoid reacts.

CV Boot Failure

Poor CV boot materials was beforehand an issue on the 600-cc Grizz (and one of many prime complaints in regards to the machine). Fortunately, Yamaha took notice of helpful suggestions from clients and developed fixes for this shortcoming.

For the 2009 Yamaha Grizzly 550 onward, the boot materials was made with powerful polyethylene, 200% sturdier than earlier Grizzly installments. Moreover, the quad acquired entrance and rear A-arm guards that present the CV boots and driveline parts extra safety.

Engine Overheating

Though nonetheless often skilled by some Grizzly homeowners, this has dramatically decreased – due to the 4×4’s liquid cooling system and new gasoline tank location. Now, the mid-size utility ATV not feels sizzling across the ft and legs, making all-day leisure rides or an extended day on the fields extra pleasant. The machine runs lean, however adjusting the manufacturing unit setting accordingly can deal with potential occurrences of this difficulty.

About Yamaha

Yamaha Motor Firm Restricted is an industry-leading firm recognized for its contributions to the ATV panorama and is the Yamaha Grizzly 550 maker. Earlier than the Japanese agency was recognized for its water automobile gross sales and automotive and bike improvements, it originated as a piano and reed organ producer. Parting methods with its mother or father firm in 1955 was a step in the fitting course, because it allowed Yamaha to concentrate on creating its present armada of product choices, starting from motorsports, off-road automobiles, and private watercraft to hurry boats and outboard motors.

Conclusion – Yamaha Grizzly 550 Evaluation

Regardless of its barely smaller measurement, the Yamaha Grizzly 550 isn’t any completely different from its siblings and is taken into account a elementary a part of a practical adventurer’s life. We are able to solely speculate the extent of foresight Yamaha had when it launched the machine in its personal unpopular, mid-size class. However what we do know is that this determination has turned the quad into the nimblest ATV in its class, with capabilities similar to big-bore behemoths.

If you happen to’re an fanatic on the lookout for a hardworking workhorse and a spirited 4×4, it will be folly to move up on proudly owning this candy trip and driving it within the open air.

Leave a Comment