RPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire RPS The RPS Shark 140 is the upgraded version of RPS's popular Shark 125 youth go-kart. It moves up to a 140cc four-stroke engine making 9.39 hp, and swaps the old 3-speed semi-automatic for a 2-speed fully automatic transmission with reverse, so there is no shifting to learn: press the gas and go. Top speed is about 35 mph. The chassis is built for off-road riding: dual A-arm front suspension and a swing-arm rear, each with twin shocks, hydraulic disc brakes front and rear, and 19x7-8 front / 18x9.5-8 rear tires. Two seats sit inside a full roll cage topped with a roof rack, LED light bars and a full-size spare tire, with sculpted bodywork and fenders to keep mud off driver and passenger. 140cc 4-stroke air-cooled engine, 9.39 hp 2-speed fully automatic transmission with reverse Electric start Top speed up to 35 mph Dual A-arm front and swing-arm rear suspension with dual shocks Front and rear hydraulic disc brakes Two seats, full roll cage, roof rack with LED light bars Full-size spare tire 2.11-gallon fuel tank, about 78 mpg Available in Burgundy, Black, Blue, Orange and Pink CA customers: This item is NOT CARB approved, but you may use it on your private land. Tech Specs Engine 140cc, single cylinder, 4-stroke Max power 9.39 HP / 7500 rpm Max torque 7 ft-lb / 5500 rpm Bore × stroke 56.5 × 55.5 mm Compression ratio 9.4:1 Cooling Air cooled Transmission 2-speed fully automatic with reverse Starting system Electric start Ignition CDI Final drive Chain Max speed 35 mph Battery 12V 5Ah Front suspension Dual A-arm with dual shock absorbers Rear suspension Swing arm with dual shock absorbers Front brake Hydraulic disc Rear brake Hydraulic disc Front tires 19x7-8 Rear tires 18x9.5-8 Seats 2 Max load 330.75 lbs Net weight 396.9 lbs Gross weight 452 lbs Overall dimensions (L × W × H) 79.52 × 48.03 × 59.06 in Carton dimensions (L × W × H) 77.56 × 45.28 × 22.84 in Seat height 11.81 in Wheelbase 63.78 in Ground clearance 3.94 in Fuel tank capacity 2.11 gal Fuel consumption 78.4 mpg Available colors Burgundy, Black, Blue, Orange, Pink Warranty Our Company Warranty PoliciesYour satisfaction is our #1 goal. We strive to provide our customers with the highest level of customer service and support we can. We strongly suggest our customers read the following information thoroughly. If you have any questions about any of our or the manufacturers policies, please feel free to email us or call 1-877-667-6289.If you need parts at the bottom of our home page you will find “Parts Request or https://motobuys.com/pages/part-request = simply fill out the form and click submit.For Tech Support: https://motobuys.com/pages/technical-supports simply fill out the form and click submitTHE MANUFACTURERS WARRANTY COVERS PARTS, ENGINE ONLY FOR ALL PRODUCTS AS FOLLOWS:OFF ROAD: ATV'S, UTV'S, BUGGIES, GO CARTS AND DIRT BIKES offer 3 MONTHS PARTS, 6 MONTHS ENGINE WARRANTY, MOTOBUYS.com will supply new or rebuilt replacement parts in exchange for defective parts for a period of 3(three) months, as well defective engines for a period of 6(six) months from the date of purchase at no charge.Buyers will need basic repair & basic setup skills such as using tools; replacing nuts & bolts, filters, light bulbs, fluids, adjustments, etc. If you don’t have this ability we suggest using a mechanic to assist you with your needs. Our tech support Hotline is available to assist you.THIS LIMITED WARRANTY COVERS THE FOLLOWING PARTS ONLY:ENGINE: All internal lubricated parts, i.e. Pistons, piston rings, piston pins, connecting rods, rod bearings, camshaft, camshaft bearings, timing chain, crankshaft, crankshaft main bearings, oil pump, water pump, valves, valve springs, valve guides, valve seats, valve lifters and valve push rods. Additionally, the engine head and cylinder will only be covered if damage is caused solely as a result of the mechanical failure of one or more internal lubricated components listed above. (Broken gears any damage from outside impacted is not covered warranty)ENGINE CASE: The Engine case itself will only be covered if the damage caused was solely as a result of the mechanical failure of one or more of the internal lubricated components listed above. (Broken gears any damage from outside impact is not covered warranty)DRIVE SYSTEM: All internal lubricated parts contained within the drive axle housing case, i.e. differential, differential gears, drive shaft, drive axles, CV joints, axle bearings, reverse gears and output shafts. The drive axle housing as well as the reverse gearbox housing, if damaged solely as a result of the mechanical failure of one or more or the internal lubricated components contained the drive axle housing will be covered. (Any bent, broken, or damage by outside impact is not covered warranty)FUEL SYSTEM: For carburated vehicles; Carburetor, vacuum fuel pump, intake manifold, fuel tank and fuel petcock. For fuel injected vehicles; Fuel injectors, fuel pump, fuel rail and fuel pressure regulator.ELECTRICAL: Stator, stator pickup, magneto, voltage regulator\ rectifier, CDI, starter relay\ starter solenoid, starter motor, coil, distributor assembly and injector relay.COOLING SYSTEM: Radiator, radiator cap, thermostat, thermostat housing, temperature indicator switch, cooling fan motors; water pump and water pump housing.BRAKES: Calipers, drum housings, drum brake linkage, reservoirs, rotors, and lines.CHASSIS: Frame, swing arms, A-arms, steering controls, (if not caused by jumping or impact.)TRANSMISSION (Automatic or Standard): All internal lubricated parts contained within the transmission case, i.e. flywheel, hydraulic shift linkage, kick start spindle, kick start secondary gear and transmission gears. The transmission case itself will be covered if the damage was solely as a result of mechanical failure of one or more of the internal lubricated components contained within the transmission case. (Improper shifting of gears by not coming to stop complete can cause damage to internal gears. (""This cause is not covered warranty"")WHAT IS NOT COVERED: The following is a list of items not covered by the warranty policy. This list is not all inclusive and may be modified at any time. Batteries, Belts, Brakes and Brake Pads, Chains, Clutch, Foot peg mount, Hand Levers, Hoses, Lights, Mirrors, Plastic Body, Seats, Shocks, Spark Plugs, Tires, Transmission.COVERAGE AND LIMITATIONS: Initial assembly and preparation must be preformed in accordance with the Consumer Motor Vehicle Delivery Preparation and Inspection Form that is provided by the manufacturer. Additionally, all work must be performed by a professional mechanic (i.e. engine repair shop, motorcycle shop, or local auto repair shop) or an authorized Dealer of the manufacturer to assure your vehicle is in good working condition. Upon completion, you must mail in the Consumer Motor Vehicle Delivery Preparation and Inspection Form signed by the technician that performed the service. You will need to provide proof of this service when filing a warranty claim, so (end user) must keep your receipts. Subject to the limitations stated in this agreement,MOTOBUYS.com agrees (at its sole discretion) to replace a covered component if the covered component fails as a result of one or more of the internal lubricated parts within the component stated warranty period from the date of purchase, while the component has been used under the conditions and in the manner specified by its original manufacturer. Keep in mind these off-road units are built for recreational use only. Your claim may be denied under the following circumstances:Misuse or abuse of the vehicle, i.e.JumpingStunt ridingModification of any kindRacingRiding at constant wide open throttle (over revving the engine)Unit is used as a rentalDamage is caused by an accidentProduct is used in a manner that it is not designed forRider abuseImproper adjustment\operation of the clutch, i.e. dragging, causing premature burning of thefriction platesImproper adjustment\operation of brakes. Driving with parking brake on.Improper gear engagement, i.e. engaging reverse will moving forwardImproper maintainance, i.e.Lack of routine maintenanceRepairs performed improperly,Use of incorrect lubricantsImproper initial set upUse of aftermarket parts for repairThe following items are not covered: Tires, rims, body panels, fuses, forks, shocks, gaskets, light bulbs, seats, CV Boots, oil filter, air filter, fuel filter, filters, clutch wear parts, cables, drive belt, chain, spark plug, any part made from rubber, belts, brake linings and/or pads, batteries, sprockets, external springs, clips, nuts, bolts and fasteners.HANDLING OF WARRANTY CLAIMS:FOR PARTS: All Parts warranty issues must be processed through https://motobuys.com/pages/part-request  or if directed by the manufacturer. You must produce a copy of your original invoice showing the model number, vehicle identification number and date of purchase on the invoice, as well as a copy of your Consumer Motor Vehicle Delivery Preparation and Inspection Form to warranty your product directly. All defective parts must be returned to MOTOBUYS.com or the manufacturer as directed for inspection and verification of defect. MOTOBUYS.com reserves the right to decline any warranty claim based on the criteria listed in the COVERAGE AND LIMITATIONS portion of this warranty.FOR ENGINES: All Engine warranty issues must be processed through MOTOBUYS.com or if directed through the manufacturer of the unit purchased. In ether case, after obtaining an RMA number from MOTOBUYS.com, you will be provided with a return shipping label. The motor must be removed from the vehicle, safely packaged and shipped to our repair facility located at the address listed on the shipping label. MOTOBUYS.com or the manufacturer reserves the right to decline any warranty claim based on the criteria listed in the COVERAGE AND LIMITATIONS portion of this warranty. Documents [RPS Shark Owner's Manual] [Go-Kart Parts Catalogue]
RPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire

RPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire

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Got questions? We've got answers! From starting your ride to choosing the right gas or oil, our FAQ page has you covered with detailed explanations.

The RPS Shark 140 is the upgraded version of RPS's popular Shark 125 youth go-kart. It moves up to a 140cc four-stroke engine making 9.39 hp, and swaps the old 3-speed semi-automatic for a 2-speed fully automatic transmission with reverse, so there is no shifting to learn: press the gas and go. Top speed is about 35 mph.

The chassis is built for off-road riding: dual A-arm front suspension and a swing-arm rear, each with twin shocks, hydraulic disc brakes front and rear, and 19x7-8 front / 18x9.5-8 rear tires. Two seats sit inside a full roll cage topped with a roof rack, LED light bars and a full-size spare tire, with sculpted bodywork and fenders to keep mud off driver and passenger.

  • 140cc 4-stroke air-cooled engine, 9.39 hp
  • 2-speed fully automatic transmission with reverse
  • Electric start
  • Top speed up to 35 mph
  • Dual A-arm front and swing-arm rear suspension with dual shocks
  • Front and rear hydraulic disc brakes
  • Two seats, full roll cage, roof rack with LED light bars
  • Full-size spare tire
  • 2.11-gallon fuel tank, about 78 mpg
  • Available in Burgundy, Black, Blue, Orange and Pink

CA customers: This item is NOT CARB approved, but you may use it on your private land.

The RPS Shark 140 is the upgraded version of RPS's popular Shark 125 youth go-kart. It moves up to a 140cc four-stroke engine making 9.39 hp, and swaps the old 3-speed semi-automatic for a 2-speed fully automatic transmission with reverse, so there is no shifting to learn: press the gas and go. Top speed is about 35 mph.

The chassis is built for off-road riding: dual A-arm front suspension and a swing-arm rear, each with twin shocks, hydraulic disc brakes front and rear, and 19x7-8 front / 18x9.5-8 rear tires. Two seats sit inside a full roll cage topped with a roof rack, LED light bars and a full-size spare tire, with sculpted bodywork and fenders to keep mud off driver and passenger.

  • 140cc 4-stroke air-cooled engine, 9.39 hp
  • 2-speed fully automatic transmission with reverse
  • Electric start
  • Top speed up to 35 mph
  • Dual A-arm front and swing-arm rear suspension with dual shocks
  • Front and rear hydraulic disc brakes
  • Two seats, full roll cage, roof rack with LED light bars
  • Full-size spare tire
  • 2.11-gallon fuel tank, about 78 mpg
  • Available in Burgundy, Black, Blue, Orange and Pink

CA customers: This item is NOT CARB approved, but you may use it on your private land.

Engine 140cc, single cylinder, 4-stroke
Max power 9.39 HP / 7500 rpm
Max torque 7 ft-lb / 5500 rpm
Bore × stroke 56.5 × 55.5 mm
Compression ratio 9.4:1
Cooling Air cooled
Transmission 2-speed fully automatic with reverse
Starting system Electric start
Ignition CDI
Final drive Chain
Max speed 35 mph
Battery 12V 5Ah
Front suspension Dual A-arm with dual shock absorbers
Rear suspension Swing arm with dual shock absorbers
Front brake Hydraulic disc
Rear brake Hydraulic disc
Front tires 19x7-8
Rear tires 18x9.5-8
Seats 2
Max load 330.75 lbs
Net weight 396.9 lbs
Gross weight 452 lbs
Overall dimensions (L × W × H) 79.52 × 48.03 × 59.06 in
Carton dimensions (L × W × H) 77.56 × 45.28 × 22.84 in
Seat height 11.81 in
Wheelbase 63.78 in
Ground clearance 3.94 in
Fuel tank capacity 2.11 gal
Fuel consumption 78.4 mpg
Available colors Burgundy, Black, Blue, Orange, Pink

Our Company Warranty Policies
Your satisfaction is our #1 goal. We strive to provide our customers with the highest level of customer service and support we can. We strongly suggest our customers read the following information thoroughly. If you have any questions about any of our or the manufacturers policies, please feel free to email us or call 1-877-667-6289.
If you need parts at the bottom of our home page you will find “Parts Request or https://motobuys.com/pages/part-request = simply fill out the form and click submit.
For Tech Support: https://motobuys.com/pages/technical-supports simply fill out the form and click submit
THE MANUFACTURERS WARRANTY COVERS PARTS, ENGINE ONLY FOR ALL PRODUCTS AS FOLLOWS:
OFF ROAD: ATV'S, UTV'S, BUGGIES, GO CARTS AND DIRT BIKES offer 3 MONTHS PARTS, 6 MONTHS ENGINE WARRANTY, MOTOBUYS.com will supply new or rebuilt replacement parts in exchange for defective parts for a period of 3(three) months, as well defective engines for a period of 6(six) months from the date of purchase at no charge.
Buyers will need basic repair & basic setup skills such as using tools; replacing nuts & bolts, filters, light bulbs, fluids, adjustments, etc. If you don’t have this ability we suggest using a mechanic to assist you with your needs. Our tech support Hotline is available to assist you.
THIS LIMITED WARRANTY COVERS THE FOLLOWING PARTS ONLY:
ENGINE: All internal lubricated parts, i.e. Pistons, piston rings, piston pins, connecting rods, rod bearings, camshaft, camshaft bearings, timing chain, crankshaft, crankshaft main bearings, oil pump, water pump, valves, valve springs, valve guides, valve seats, valve lifters and valve push rods. Additionally, the engine head and cylinder will only be covered if damage is caused solely as a result of the mechanical failure of one or more internal lubricated components listed above. (Broken gears any damage from outside impacted is not covered warranty)
ENGINE CASE: The Engine case itself will only be covered if the damage caused was solely as a result of the mechanical failure of one or more of the internal lubricated components listed above. (Broken gears any damage from outside impact is not covered warranty)
DRIVE SYSTEM: All internal lubricated parts contained within the drive axle housing case, i.e. differential, differential gears, drive shaft, drive axles, CV joints, axle bearings, reverse gears and output shafts. The drive axle housing as well as the reverse gearbox housing, if damaged solely as a result of the mechanical failure of one or more or the internal lubricated components contained the drive axle housing will be covered. (Any bent, broken, or damage by outside impact is not covered warranty)
FUEL SYSTEM: For carburated vehicles; Carburetor, vacuum fuel pump, intake manifold, fuel tank and fuel petcock. For fuel injected vehicles; Fuel injectors, fuel pump, fuel rail and fuel pressure regulator.
ELECTRICAL: Stator, stator pickup, magneto, voltage regulator\ rectifier, CDI, starter relay\ starter solenoid, starter motor, coil, distributor assembly and injector relay.
COOLING SYSTEM: Radiator, radiator cap, thermostat, thermostat housing, temperature indicator switch, cooling fan motors; water pump and water pump housing.
BRAKES: Calipers, drum housings, drum brake linkage, reservoirs, rotors, and lines.
CHASSIS: Frame, swing arms, A-arms, steering controls, (if not caused by jumping or impact.)
TRANSMISSION (Automatic or Standard): All internal lubricated parts contained within the transmission case, i.e. flywheel, hydraulic shift linkage, kick start spindle, kick start secondary gear and transmission gears. The transmission case itself will be covered if the damage was solely as a result of mechanical failure of one or more of the internal lubricated components contained within the transmission case. (Improper shifting of gears by not coming to stop complete can cause damage to internal gears. (""This cause is not covered warranty"")


WHAT IS NOT COVERED: The following is a list of items not covered by the warranty policy. This list is not all inclusive and may be modified at any time. Batteries, Belts, Brakes and Brake Pads, Chains, Clutch, Foot peg mount, Hand Levers, Hoses, Lights, Mirrors, Plastic Body, Seats, Shocks, Spark Plugs, Tires, Transmission.
COVERAGE AND LIMITATIONS: Initial assembly and preparation must be preformed in accordance with the Consumer Motor Vehicle Delivery Preparation and Inspection Form that is provided by the manufacturer. Additionally, all work must be performed by a professional mechanic (i.e. engine repair shop, motorcycle shop, or local auto repair shop) or an authorized Dealer of the manufacturer to assure your vehicle is in good working condition. Upon completion, you must mail in the Consumer Motor Vehicle Delivery Preparation and Inspection Form signed by the technician that performed the service. You will need to provide proof of this service when filing a warranty claim, so (end user) must keep your receipts. Subject to the limitations stated in this agreement,
MOTOBUYS.com agrees (at its sole discretion) to replace a covered component if the covered component fails as a result of one or more of the internal lubricated parts within the component stated warranty period from the date of purchase, while the component has been used under the conditions and in the manner specified by its original manufacturer. Keep in mind these off-road units are built for recreational use only. Your claim may be denied under the following circumstances:
Misuse or abuse of the vehicle, i.e.
Jumping
Stunt riding
Modification of any kind
Racing
Riding at constant wide open throttle (over revving the engine)
Unit is used as a rental
Damage is caused by an accident
Product is used in a manner that it is not designed for
Rider abuse
Improper adjustment\operation of the clutch, i.e. dragging, causing premature burning of the
friction plates
Improper adjustment\operation of brakes. Driving with parking brake on.
Improper gear engagement, i.e. engaging reverse will moving forward
Improper maintainance, i.e.
Lack of routine maintenance
Repairs performed improperly,
Use of incorrect lubricants
Improper initial set up
Use of aftermarket parts for repair
The following items are not covered: Tires, rims, body panels, fuses, forks, shocks, gaskets, light bulbs, seats, CV Boots, oil filter, air filter, fuel filter, filters, clutch wear parts, cables, drive belt, chain, spark plug, any part made from rubber, belts, brake linings and/or pads, batteries, sprockets, external springs, clips, nuts, bolts and fasteners.
HANDLING OF WARRANTY CLAIMS:
FOR PARTS: All Parts warranty issues must be processed through https://motobuys.com/pages/part-request  or if directed by the manufacturer. You must produce a copy of your original invoice showing the model number, vehicle identification number and date of purchase on the invoice, as well as a copy of your Consumer Motor Vehicle Delivery Preparation and Inspection Form to warranty your product directly. All defective parts must be returned to MOTOBUYS.com or the manufacturer as directed for inspection and verification of defect. MOTOBUYS.com reserves the right to decline any warranty claim based on the criteria listed in the COVERAGE AND LIMITATIONS portion of this warranty.
FOR ENGINES: All Engine warranty issues must be processed through MOTOBUYS.com or if directed through the manufacturer of the unit purchased. In ether case, after obtaining an RMA number from MOTOBUYS.com, you will be provided with a return shipping label. The motor must be removed from the vehicle, safely packaged and shipped to our repair facility located at the address listed on the shipping label. MOTOBUYS.com or the manufacturer reserves the right to decline any warranty claim based on the criteria listed in the COVERAGE AND LIMITATIONS portion of this warranty.

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You're viewingRPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire
RPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire$1,899.00 + $299 shipping Choose Options
Seats
2 seats
2 seats
2 seats
2 seats
Rider age
Ages 12–15
Ages 12–15
Ages 12–15
Ages 12–15
Engine / Motor
124cc · air-cooled
212cc · air-cooled
212cc · air-cooled
120cc · air-cooled
Transmission
With reverse
—
Automatic · no reverse
With reverse
Ground clearance
3.9"
2.8"
3"
3.1"
Tires (F / R)
19" / 18"
16" / 16"
—
16" / 16"
Max load
330 lb
400 lb
400 lb
—
You're viewingRPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire
RPS Shark 140 140cc Youth Go-Kart, Fully Automatic with Reverse, Electric Start, 2 Seats, Hydraulic Disc Brakes, Roof Rack, Spare Tire$1,899.00 + $299 shipping
Seats
2 seats
Rider age
Ages 12–15
Engine / Motor
124cc · air-cooled
Transmission
With reverse
Ground clearance
3.9"
Tires (F / R)
19" / 18"
Max load
330 lb
2 seats
2 seats
2 seats
Ages 12–15
Ages 12–15
Ages 12–15
212cc · air-cooled
212cc · air-cooled
120cc · air-cooled
—
Automatic · no reverse
With reverse
2.8"
3"
3.1"
16" / 16"
—
16" / 16"
400 lb
400 lb
—

Specs from manufacturer listings; rider height is a fit guide based on seat height; top speed varies with rider weight and terrain. Street-legal status depends on your state — check with your local DMV.

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