Yamaha Golf Car UMAX 4 Rally Sport EFI (2027)
yamahagolfcar.com/models/umax4-rally-sport-efi/specs
Last updated: 27 September 2026
Motor and performance
- Turning radius
- 17.4ft 5.3m
- Gas engine
- Yamaha-built, 402 cc, low-emission single cylinder 60° incline OHV
- Maximum in reverse
- 14.6mph 23.0km/h
- Top speed
- 19.5 mph (31.4 km/h)
- Gradient it will climb
- 15 degree
“Min Turning Radius 17.4ft 5.3m”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Engine Type Yamaha-built, 402 cc, low-emission single cylinder 60° incline OHV”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Max Reverse Speed 14.6mph 23.0km/h”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Max Forward Speed 19.5 mph (31.4 km/h)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Hill Climbing Capacity 15 degree”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
Battery and charging
- Traction battery
- Petrol EFI, no traction pack
“Fuel System EFI - Electronic Fuel Injection”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
Size and fit
- Ground clearance
- 5.9in (15 cm)
- What the bed carries
- 300 lbs.
- Overall length
- 148.2 in (3,765 mm)
- Tyre size fitted
- 23x10x12 4ply Monitor K389 (front) K500 (rear)
- Height with the suntop fitted
- 76.6 in (1,945 mm)
- Curb weight
- 1,358 lbs. (616 kg)
- People it seats
- 4 persons
- Overall width
- 53.5 in (1,360 mm)
- Height without the canopy
- 50.6 in (1,285 mm)
- Cargo box, inside
- 33.5in L x 45.9in W x 11.8in H
- Wheelbase
- 110.8 in (2815 mm)
“Min Ground Clearance 5.9in (15 cm)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Cargo Bed Capacity 300 lbs.”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Overall Length 148.2 in (3,765 mm)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Tire Size 23x10x12 4ply Monitor K389 (front) K500 (rear)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Overall Height With Suntop 76.6 in (1,945 mm)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Curb Weight*** 1,358 lbs. (616 kg)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Seating Capacity 4 persons”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Overall Width 53.5 in (1,360 mm)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Overall Height 50.6 in (1,285 mm)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Cargo Bed Size 33.5in L x 45.9in W x 11.8in H”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Wheelbase 110.8 in (2815 mm)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
Brakes and safety
- Brakes
- Mechanical drum brake on each wheel with self-adjusters
“Brakes Mechanical drum brake on each wheel with self-adjusters”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
Frame and components
- Steering
- Self-compensating double reduction helical rack-and-pinion.
- Front suspension
- Independent (Coil-over strut type)
- Rear suspension
- Swing arm (mono-link)
“Steering Self-compensating double reduction helical rack-and-pinion.”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Suspension (Front) Independent (Coil-over strut type)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Suspension (Rear) Swing arm (mono-link)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
Other findings
- Engine displacement
- 402 cc
- Fuel capacity
- 5.2 US gal (20 liters)
“Engine Type Yamaha-built, 402 cc, low-emission single cylinder 60° incline OHV”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs
“Fuel Capacity 5.2 US gal (20 liters)”
Source: yamahagolfcar.com/models/umax4-rally-sport-efi/specs