Yamaha Golf Car UMAX 1 EFI
Yamaha Golf Car publish no page we could find for this model: Checked Yamaha's current golf car lineup page (yamahagolfcar.com/golf/) on 28 Sep 2026. It lists UMAX EFI, UMAX AC, UMAX LI, UMAX Rally Sport, UMAX Rally 2+2, UMAX Rally Sport 2+2, UMAX Rangepicker and UMAX Bistro trims, but no trim printed as plain "UMAX 1", "UMAX 2", "UMAX 1 Rally", "UMAX 2 Rally" or "UMAX 2 Rally AC". This row's own identity comes from its owner's manual, whose printed column heading does not have to match the current marketing lineup; the absence here is not treated as evidence this machine has been discontinued. Checked 28 September 2026.
Last updated: 29 September 2026
Motor and performance
- Turning radius
- 3.5 m (11.4 ft)
- Gas engine
- 4-stroke, Gasoline, 60˚ incline OHV
- Maximum in reverse
- 21.0 km/h (13.1 mph)
- Top speed
- 28.0 km/h (17.5 mph)
- Drivetrain
- Forward 11.48:1; Reverse 15.38:1
“Minimum turning radius 3.5 m (11.4 ft)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Engine type 4-stroke, Gasoline, 60˚ incline OHV Number of cylinders Single Displacement 402 cm3 Bore x stroke 85 x 70.8 mm (3.30 x 2.79 in.) Compression ratio 8.2:1 Output / Gross 10.63 kw (14.25 hp) / 3600 rpm Output / Net 9.45 kw (12.67 hp) / 3600 rpm Cooling system Forced air-cooled Starting system Electric-Starter/Generator Ignition system TCI Spark plug type BPR4ES Spark plug gap 0.7-0.8 mm (0.028-0.031 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Maximum reverse speed 21.0 km/h (13.1 mph)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Maximum speed 28.0 km/h (17.5 mph)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Type V-belt automatic centrifugal engagement V-belt width and outer line length 31.0 x 1010 mm (1.22 x 39.76 in.) V-belt wear limit 28.0 mm (1.10 in.) Governor: Type Oil bath flyweight Differential/reduction gear Secondary reduction system helical gear Secondary reduction ratio: Forward 11.48:1; Reverse 15.38:1 Differential type bevel gear Lubricant/capacity SAE 80W-90 or SAE 90 gear oil/400 cc (400 mL, 0.42 US qt)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Battery and charging
- Starter battery (gas models)
- BCI group 24, RC: minimum 70 min CCA: minimum 440A
“Battery BCI group 24, RC: minimum 70 min CCA: minimum 440A”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Size and fit
- Ground clearance
- 115 mm (4.5 in.)
- Overall length
- 2830 mm (111.5 in.)
- Tyre size fitted
- 20 x 10.00-10 / 4 PR (front and rear)
- Curb weight
- 424 kg (935 lb)
- People it seats
- One occupant per seat
- Overall width
- 1255 mm (49.3 in.)
- Height without the canopy
- 1235 mm (48.5 in.)
- Front wheel track
- 1015 mm (40.0 in.)
- Rear wheel track
- 1020 mm (40.2 in.)
- Wheelbase
- 1680 mm (66.2 in.)
“Ground clearance 115 mm (4.5 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Overall length 2830 mm (111.5 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Front 20 x 10.00-10 / 4 PR Rear 20 x 10.00-10 / 4 PR”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Curb weight (With Battery, Oil and Gasoline) 424 kg (935 lb)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Seating capacity One occupant per seat”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Overall width 1255 mm (49.3 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Overall height (steering height) 1235 mm (48.5 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Tread: Front 1015 mm (40.0 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Tread: Front 1015 mm (40.0 in.) Rear 1020 mm (40.2 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Wheelbase 1680 mm (66.2 in.)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Brakes and safety
- Brakes
- Mechanical drum brake on each rear wheel with self-adjusters
“Brake system Mechanical drum brake on each rear wheel with self-adjusters”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Frame and components
- Steering
- Rack and Pinion, 1.85 turn lock to lock each way
- Front suspension
- Independent (Coil-over strut type)
- Rear suspension
- Pivoted trailing arm (mono-link)
“Type Rack and Pinion Steering angle (L.H.) 1.85 turn Steering angle (R.H.) 1.85 turn”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Front Independent (Coil-over strut type)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
“Rear Pivoted trailing arm (mono-link)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Other findings
- Fuel capacity
- 20 L (5.2 US gal)
- Tire pressure
- Recommended: Front 137 kPa (1.40 kgf/cm2, 20 psi) Rear 151 kPa (1.55 kgf/cm2, 22 psi) Minimum: Front 124 kPa (1.26 kgf/cm2, 18 psi) Rear 151 kPa (1.55 kgf/cm2, 22 psi)
“Fuel tank capacity: 20 L (5.2 US gal)”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-12.pdf
Recalls (1)
Most recalls cover only certain model years, serials or build dates — view each notice to check it against your own unit.
- 2025-06-05CPSCThe accelerator pedal spring can fail to return to idle when a consumer stops pressing the accelerator pedal,…only the four model-year serial ranges stated (MY2019-2022) -- a later, unlabelled block in this same notice's own text also carries a J0F row but without a…View recall →