Massimo Knight 500 is a side-by-side UTV with a 493cc single-cylinder engine, providing 33 horsepower for utility tasks. It features a CVT transmission, four-wheel drive, and 25-inch off-road tires. Priced at $8,999, it includes a two-seat configuration and a 900-pound payload capacity.
Available in Camo, Green, or Red, it shares parts with the T-BOSS 550. The 10-inch ground clearance navigates rough terrain, while hydraulic disc brakes confirm stopping power. The 780-pound dry weight keeps maneuverability for two passengers.
Manufactured by Massimo Motor, it competes with the Polaris Ranger 500 ($9,499). The electronic fuel injection (EFI) provides a 100–120-mile range, while the differential lock improves traction. This UTV suits utility tasks, if serviced every 500–1000 miles.
What Are the Specifications of the Massimo Knight 500?

Massimo Knight 500 specifications assist utility and off-road performance:
- Dimensions: 105 x 54 x 75 inches, providing a compact structure.
- Ground Clearance: 10 inches, clearing trails.
- Payload Capacity: 900 pounds, carrying two riders and cargo.
- Fuel Capacity: 7.0 gallons, offering 100–120-mile range.
- Seat Height: 33 inches, accessible for riders.
- Dry Weight: 780 pounds, balancing handling.
- Tires: 25 x 8-12 inches (front), 25 x 10-12 inches (rear).
- Brakes: Four-wheel hydraulic disc brakes.
- Suspension: Independent dual A-arm for front and rear.
- Maximum Speed: 42 mph, ideal for utility tasks.
These specs match T-BOSS 550, providing parts compatibility. The 493cc engine handles rugged tasks, if serviced every 500 miles.
What Is the Engine Stroke in the Massimo Knight 500?

The Massimo Knight 500 uses a 66mm stroke in its 493cc single-cylinder, four-stroke engine, producing 33 horsepower. The 87.5mm piston and 9.5:1 compression ratio assist 1000-pound towing. The liquid-cooled system regulates temperature, while the EFI system provides power consistency.
The engine achieves 42 mph, suitable for trails. The four-stroke cycle reduces emissions, meeting EPA standards. This matches T-BOSS 550, providing reliability, if serviced every 500 miles.
What Are the Features of the Massimo Knight 500 Engine?

The Massimo Knight 500 engine provides 33 horsepower through a 493cc single-cylinder, four-stroke design. Key features include:
- Single-Cylinder: Produces 33 horsepower, ideal for utility tasks.
- Four-Stroke Cycle: Meets EPA standards, reducing emissions.
- Liquid Cooling: Prevents overheating, keeping performance.
- EFI System: Provides precise fuel delivery, improving efficiency.
- Compression Ratio: 9.5:1, assisting 42 mph speeds.
- ECU Ignition: Keeps consistent timing across terrains.
- SOHC: Improves efficiency, providing durability.
- Oil Capacity: 2.0 quarts of 10W-40 oil, keeping lubrication.
- Fuel System: 35–40 psi pressure with fuel pump and injector.
- Muffler: Reduces noise with a silencer, improving comfort.
These features match MSU 500, providing dependable performance, if serviced regularly.
What Are the Common Problems with the Massimo Knight 500 Engine?

The Massimo Knight 500 engine faces ten issues, requiring maintenance:
- Overheating: Clogged radiators cause temperature spikes in extreme heat.
- Fuel Injector Clogs: Contaminated fuel leads to starting failures.
- Excessive Vibration: Single-cylinder design vibrates at high RPMs.
- Oil Leaks: Seals degrade, causing oil loss after 1500 miles.
- Low Power Output: 33-horsepower engine struggles under heavy loads.
- Starter Failures: ECU malfunctions in cold weather, preventing starts.
- Piston Wear: 87.5mm piston wears without regular oil changes.
- Fuel Pump Issues: Tank debris causes pump failure, affecting fuel delivery.
- Excessive Noise: Muffler silencer fails, increasing noise levels.
- Throttle Delays: Throttle body delays response, impacting acceleration.
These issues require T-BOSS 550-compatible parts like fuel filters ($10–$18). Servicing matches Polaris Ranger 500 reliability.
How Can Owners Address Engine Problems in the Massimo Knight 500?
Owners fix Knight 500 engine problems with ten methods:

- Prevent Overheating: Clean radiator monthly ($5).
- Clean Fuel System: Replace fuel filter every 1000 miles ($10–$18).
- Reduce Vibration: Tighten mounts every 500 miles with dampeners ($10).
- Fix Oil Leaks: Replace seals every 1500 miles ($10).
- Restore Power: Tune throttle body annually for 33 horsepower.
- Repair Starter: Test ECU every 1000 miles, replacing ($80).
- Care for Piston: Change oil every 500 miles with 10W-40 ($10).
- Replace Fuel Pump: Clean tank annually, replacing pump ($50–$90).
- Address Noise: Inspect muffler every 500 miles ($90–$130).
- Fix Throttle Lag: Clean throttle body every 1000 miles ($5).
These use MSU 500-compatible parts, providing reliability, if followed consistently.
What Is the Transmission System in the Massimo Knight 500?

The Massimo Knight 500 uses a CVT transmission with a shaft-driven powertrain and four-wheel drive. It includes high, low, neutral, and reverse settings, providing 33 horsepower to 25-inch tires. The differential lock improves traction in mud.
The system assists 42 mph and 1000-pound towing, stabilized by 10-inch ground clearance. The clutch kit provides smooth shifts, while the shaft drive reduces maintenance. This matches T-BOSS 550, providing performance, if serviced every 500 miles.
What Are the Common Transmission Problems in the Massimo Knight 500?
The Massimo Knight 500 transmission faces ten issues:
- CVT Belt Slippage: Slips under 1000-pound loads, reducing power.
- Shaft Wear: Shaft degrades, causing power loss.
- Clutch Wear: Clutch kit wears, causing rough shifts.
- Overheating: CVT overheats in prolonged use from low fluid.
- Fluid Leaks: Transmission case leaks, lowering fluid levels.
- Shifting Delays: CVT delays shifts due to worn components.
- Grinding Noise: Shaft drive grinds, indicating wear.
- Power Loss: Fails to provide full power, affecting towing.
- Vibration: Drive train vibrates, reducing comfort.
- Belt Wear: CVT belt degrades without maintenance.
These require T-BOSS 550-compatible parts like belts ($40–$70). Servicing matches Can-Am Defender HD5 reliability.
How Can Owners Maintain the Transmission of the Massimo Knight 500?
Owners care for Knight 500 transmission with ten methods:
- Inspect CVT Belt: Check every 500 miles, replacing frayed belts ($40–$70).
- Lubricate Shaft: Apply gear oil monthly ($8).
- Replace Clutch Kit: Install new kit every 2000 miles ($120–$180).
- Monitor Fluid Levels: Check ATF fluid monthly ($5).
- Seal Leaks: Replace seals every 1500 miles ($10).
- Fix Shifting: Tune CVT every 1000 miles per manual.
- Address Grinding Noise: Inspect shaft drive every 500 miles ($80).
- Restore Power: Clean transmission annually.
- Reduce Vibration: Tighten components every 500 miles ($5).
- Care for Belt Tension: Adjust tension every 1000 miles.
These use MSU 500-compatible parts, providing reliability, if towing frequently.
What Are the Common Clutch Problems in the Massimo Knight 500?
The Massimo Knight 500 clutch faces ten issues:
- Clutch Slippage: Slips under heavy loads, reducing speed.
- Worn Clutch Plates: Plates wear after 2000 miles, causing rough shifts.
- Overheating: Clutch overheats during prolonged use, leading to power loss.
- Sticking Clutch: Clutch sticks, preventing smooth gear engagement.
- Belt Misalignment: Misaligned belt causes clutch inefficiency.
- Noise During Shifts: Clutch produces grinding due to worn components.
- Reduced Torque: Worn clutch reduces torque, impacting performance.
- Debris Buildup: Debris causes clutch drag, reducing efficiency.
- Spring Wear: Clutch springs weaken, affecting shift response.
- Improper Lubrication: Lack of lubrication speeds clutch wear.
These require T-BOSS 550-compatible clutch kits ($120–$180). Servicing matches Yamaha Wolverine R-Spec reliability.
How Can Owners Maintain the Clutch of the Massimo Knight 500?
Owners care for Knight 500 clutch with ten methods:
- Inspect Clutch: Check every 500 miles, replacing worn plates ($120).
- Lubricate Components: Apply grease monthly ($5).
- Monitor Temperature: Check for overheating during use.
- Fix Alignment: Adjust belt every 1000 miles ($10).
- Clean Debris: Remove buildup annually ($5).
- Replace Springs: Install new springs every 2000 miles ($15).
- Test Shifts: Check for smooth shifts every 500 miles.
- Address Noise: Inspect for grinding every 500 miles ($80).
- Restore Torque: Tune clutch annually for 33 horsepower.
- Check Lubrication: Verify grease levels monthly ($5).
These use MSU 500-compatible parts, providing reliability, if serviced regularly.
What Is the Price of the Massimo Knight 500 Components?
The Massimo Knight 500 has an MSRP of $8,999, with retail prices from $9,499 to $10,999. Key components include:
- CVT Belt: $40–$70, providing smooth shifts.
- Clutch Kit: $120–$180, aiding transmission performance.
- Fuel Pump: $50–$90, keeping fuel delivery.
- Oil Filter: $10–$15, protecting engine health.
- Fuel Filter: $10–$18, preventing clogs.
- Tires: $140–$190, providing traction.
- Brake Pads: $25–$45, providing stopping power.
- Air Filter: $12–$20, keeping engine efficiency.
- Battery: $70–$110, powering systems.
- Muffler Silencer: $90–$130, reducing noise.
These match T-BOSS 550, providing affordability, if replaced regularly.
How Does the Massimo Knight 500 Compare to Other Massimo UTV Models?

The Massimo Knight 500 offers balanced performance compared to five Massimo UTV models:
- T-BOSS 550: 493cc engine, 33 horsepower, $8,999, shares clutch kits.
- Buck 450: 391cc engine, 25 horsepower, $8,499, shares oil filters.
- Warrior 1000: 976cc engine, 82 horsepower, $14,999, shares CVT belts.
- MSU 800: 800cc engine, 60 horsepower, $11,999, shares brake pads.
- T-BOSS 410: 352cc engine, 20 horsepower, $7,999, shares fuel filters.
The Knight 500 suits utility tasks, matching T-BOSS 550 in engine size.
How Does the Massimo Knight 500 Compare to Other UTV Brands?
The Massimo Knight 500 compares to five popular UTV brands:
- Polaris Ranger 500: 500cc engine, 32 horsepower, $9,499, shares oil filters.
- Can-Am Defender HD5: 427cc engine, 38 horsepower, $10,999, shares CVT belts.
- Kawasaki Mule SX: 401cc engine, 21 horsepower, $8,199, shares brake pads.
- Honda Pioneer 500: 475cc engine, 28 horsepower, $9,299, shares fuel filters.
- Yamaha Wolverine R-Spec: 708cc engine, 46 horsepower, $12,199, shares air filters.
The Knight 500 offers competitive pricing, matching Polaris Ranger 500, if thinking about budget.
What Environmental Factors Affect the Massimo Knight 500 Performance?
Ten environmental factors affect Knight 500 performance:
- High Temperatures: Cause engine overheating, requiring radiator cleaning.
- Mud and Water: Stress CVT and differential, needing lubrication.
- Dust and Debris: Clog air filter, reducing efficiency.
- Cold Weather: Affects battery and starter, requiring heaters.
- Rough Terrain: Strains suspension and tires, needing inspections.
- High Altitude: Reduces 33-horsepower output.
- Humidity: Corrodes electrical components, needing waterproofing.
- Sand: Speeds tire wear, requiring replacements.
- Snow: Stresses 4WD system, needing tire chains.
- Steep Inclines: Strain engine, requiring oil changes.
These demand maintenance, matching Can-Am Defender HD5, to keep performance.
What Maintenance Routines Are Required for the Massimo Knight 500?
The Massimo Knight 500 requires ten maintenance routines:
- Engine Maintenance: Change oil every 500 miles with 10W-40 ($10).
- Transmission Care: Check CVT belt every 500 miles, replacing if worn ($40–$70).
- Air Filter Cleaning: Clean filter every 200 miles, replacing annually ($12–$20).
- Brake Inspection: Check pads every 500 miles, replacing if worn ($25–$45).
- Tire Rotation: Rotate tires every 1000 miles for even wear ($10).
- Battery Check: Test battery every 500 miles, replacing every 2 years ($70–$110).
- Suspension Check: Inspect shocks every 500 miles, tuning as needed ($30–$60).
- Fuel System Maintenance: Replace fuel filter every 1000 miles ($10–$18).
- Electrical Inspection: Check wiring every 500 miles for fraying ($5).
- Cooling System Maintenance: Clean radiator monthly ($5).
These use T-BOSS 550-compatible parts, confirming reliability, if serviced regularly.
What Is the Oil Change Procedure for the Massimo Knight 500?

The Massimo Knight 500 oil change involves ten steps:
- Warm Engine: Run for 5 minutes to loosen oil.
- Position Vehicle: Place on flat surface for stability.
- Drain Oil: Remove plug, collecting 2.0 quarts.
- Replace Oil Filter: Install new filter ($10–$15).
- Check Dipstick: Verify oil level to avoid overfilling.
- Refill Oil: Add 2.0 quarts of 10W-40 oil.
- Fix Components: Tighten plug and filter.
- Check Levels: Confirm oil level with dipstick.
- Run Engine: Operate for 2 minutes, checking leaks.
- Dispose Oil: Recycle at a designated facility.
This takes 15 minutes, matching MSU 500, to confirm engine health.
What Is the Oil Capacity of the Massimo Knight 500?
The Massimo Knight 500 holds 2.0 quarts of 10W-40 oil for its 493cc engine. This lubricates the 87.5mm piston, assisting 33 horsepower. Change oil every 500 miles, matching T-BOSS 550, to confirm engine health.
What Is the Location of the Oil Filter on the Massimo Knight 500?
The Massimo Knight 500 oil filter is on the right side of the engine, near the dipstick. Positioned below the air intake, it is accessible by removing a small cover. The spin-on filter confirms clean oil circulation, protecting the 493cc engine. Replace every 1000 miles, matching T-BOSS 550 ($10–$15).
What Is the Oil Filter Cross-Reference for the Massimo Knight 500?
The Massimo Knight 500 oil filter cross-references with five filters:
- WIX 51356: Fits 493cc engine, $10–$15.
- Fram PH6017A: Matches thread size, $12–$18.
- K&N KN-170: Provides high-flow filtration, $10–$15.
- Purolator PL10241: Confirms oil flow, $11–$16.
- Bosch 3300: Assists 2.0-quart capacity, $10–$14.
These match T-BOSS 550, keeping engine lubrication, if replaced every 1000 miles.
What Are the Fuel System Components in the Massimo Knight 500?
The Massimo Knight 500 fuel system includes five components:
- Fuel Pump: Provides 35–40 psi to the 493cc engine.
- Fuel Injector: Offers precise EFI delivery.
- Fuel Filter: Removes contaminants, protecting injectors.
- Fuel Tank: Holds 7.0 gallons, offering 100–120-mile range.
- Fuel Lines: Transfer fuel, keeping pressure.
These match T-BOSS 550, assisting 33 horsepower, if serviced every 1000 miles.
What Are the Common Fuel System Problems in the Massimo Knight 500?
The Massimo Knight 500 fuel system faces ten issues:
- Fuel Pump Failure: Debris causes failure after 2000 miles.
- Injector Clogs: Contaminants reduce power output.
- Filter Blockage: Clogged filter restricts fuel flow.
- Low Pressure: Drops below 35 psi, affecting performance.
- Fuel Leaks: Lines degrade, causing safety risks.
- Tank Contamination: Debris affects pump operation.
- Injector Wear: Wears after 2000 miles, causing misfires.
- Pump Noise: Indicates wear or failure.
- Line Cracks: Cracks lead to leaks and low pressure.
- Poor Fuel Quality: Clogs components, reducing efficiency.
These require MSU 500-compatible parts like fuel filters ($10–$18). Servicing matches Can-Am Defender HD5 reliability.
How Can Owners Maintain the Fuel System of the Massimo Knight 500?
Owners care for Knight 500 fuel system with ten methods:
- Replace Fuel Filter: Change every 1000 miles ($10–$18).
- Clean Tank: Flush annually to remove debris ($5).
- Inspect Pump: Check every 500 miles, replacing ($50–$90).
- Clean Injector: Clean annually with solvent ($5).
- Check Pressure: Verify 35–40 psi every 1000 miles ($20).
- Replace Lines: Install new lines every 2000 miles ($10).
- Use Quality Fuel: Use premium fuel to avoid clogs.
- Monitor Noise: Listen for pump noise every 500 miles.
- Clean Nozzle: Clean injector nozzle every 1000 miles.
- Inspect Cap: Check tank cap seal annually.
These use T-BOSS 550-compatible parts, providing reliability, if serviced regularly.
What Are the Differential Components in the Massimo Knight 500?

The Massimo Knight 500 differential includes five components:
- Front Differential: Transfers power to front wheels, assisting 4WD.
- Rear Differential: Provides power to rear wheels, keeping traction.
- Differential Lock: Engages 4WD for mud or gravel.
- Gear Oil: 80W-90 oil lubricates gears.
- Drive Shaft: Connects differential to CVT, assisting power transfer.
These match T-BOSS 550, providing off-road capability, if lubricated monthly.
What Are the Common Differential Problems in the Massimo Knight 500?
The Massimo Knight 500 differential faces ten issues:
- Gear Wear: Wears after 2000 miles, reducing traction.
- Oil Leaks: Seals degrade, causing oil loss.
- Lock Failure: Differential lock fails, reducing grip.
- Noise: Grinding indicates worn gears.
- Shaft Misalignment: Causes vibration during operation.
- Low Oil Levels: Depletes, causing overheating.
- Bearing Wear: Wears, causing instability.
- Lock Sticking: Lock sticks, preventing engagement.
- Oil Contamination: Debris reduces lubrication efficiency.
- Power Loss: Differential fails to transfer power.
These require T-BOSS 550-compatible parts like gear oil ($8–$15). Servicing matches Yamaha Wolverine R-Spec reliability.
How Can Owners Maintain the Differential of the Massimo Knight 500?
Owners care for Knight 500 differential with ten methods:
- Check Oil: Inspect 80W-90 oil every 500 miles ($8).
- Replace Seals: Install new seals every 1500 miles ($10).
- Inspect Lock: Test lock every 500 miles, confirming engagement.
- Fix Noise: Check gears every 500 miles ($80).
- Fix Shaft: Realign annually to reduce vibration.
- Refill Oil: Add 80W-90 oil when levels drop ($8).
- Replace Bearings: Install new bearings every 2000 miles ($15–$30).
- Lubricate Lock: Apply grease annually ($5).
- Clean Oil: Flush oil every 1000 miles ($5).
- Monitor Power: Test differential annually.
These use MSU 500-compatible parts, providing reliability, if serviced regularly.

