Quick Analysis
KTM 85 SX
16.0 pts
Unweighted: 13 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
Bajaj Platina 110
18.0 pts
Unweighted: 11 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Liquid cooling (0.8L) | Air-cooled |
| Displacement | 84.9 cc | 115.45 cc |
| Engine Type | 1-cylinder, 2-stroke engine | 4‑Stroke, Single Cylinder, DTS‑i |
| Power | 15.5 bhp @ 11500 rpm | 6.33 kW (8.6 PS) @ 7,000 rpm |
| Torque | 14 Nm @ 8500 rpm | 9.81 Nm @ 5,000 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 5.2 L | 11 L |
| Mileage | 25 kmpl | — |
Dimensions & Weight |
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| Kerb Weight | approx. 67 kg (without fuel) | 119 kg |
| Seat Height | 865 mm | 807 mm |
Brakes & Suspension |
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| Front Brake | Disc 240 mm | Drum |
| Front Suspension | XACT 43 WP Upside-Down fork, Ø 43 mm | Hydraulic Telescopic, 135 mm travel |
| Rear Brake | Disc 220 mm | Drum (with CBS) |
| Rear Suspension | XACT WP PDS mono shock | Spring-on-Spring (SOS), 110 mm travel |
Tyres & Wheels |
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| Front Tyre | 70/100 - 17 | 80/100–17 Tubeless |
| Rear Tyre | 90/100 - 14 | 80/100–17 Tubeless |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Alloy |
Features & Technology |
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| Headlight | — | 12 V, 35/35 W HS1 with DRL |
Other Specifications |
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| Battery | — | 12 V, 3 Ah VRLA |
| Cluster | — | Analogue |
| Color Options | Orange | — |
| Cons | Not road legal and suitable only for off-road tracks. High maintenance due to 2-stroke engine rebuilds. Kick-start only, no electric start option. Relatively expensive compared to other youth dirt bikes. Small fuel tank limits long riding sessions. | — |
| Detailed Overview | The KTM 85 SX is one of the most popular and respected youth motocross bikes in the world, designed specifically for young riders who are ready to take the next big step toward competitive racing. More than just a beginner’s off-road bike, the 85 SX brings true race-bred DNA from KTM’s full-size SX lineup, giving upcoming racers the opportunity to experience high-level performance at an early age. With its sharp power delivery, lightweight design, and premium components, the bike is built to help young riders improve skills and confidently tackle motocross tracks. At the heart of the KTM 85 SX lies its 84.9cc 2-stroke, liquid-cooled engine, which is known for delivering punchy power and rapid acceleration. The powervalve system ensures that the engine produces strong torque across the rev range, making the bike easier to control while still offering impressive performance. Whether riders are attacking tight corners or hitting long straights, the engine responds crisply and delivers the thrilling character 2-strokes are known for. Paired with a 6-speed gearbox, the bike offers smooth shifting and plenty of flexibility for both beginners and experienced youth racers. One of the standout features of the 85 SX is its lightweight chassis, made with high-strength chromoly steel. This frame not only enhances stability but also ensures precise handling, allowing riders to maneuver confidently through jumps, whoops, and rough terrain. The ergonomics are thoughtfully designed to fit young riders, offering a slim body that allows easy movement, better grip, and improved control during aggressive riding. Suspension is another area where KTM excels, and the 85 SX is no exception. It comes equipped with WP XACT suspension, featuring an AER air fork at the front and a fully adjustable shock absorber at the rear. This setup provides excellent damping, great response on jumps, and impressive support on uneven surfaces. Riders can also fine-tune the suspension to match their weight, riding style, and track conditions — something rarely seen in youth motocross bikes. The bike also features powerful disc brakes on both ends, giving young riders the confidence to brake hard into corners. The wave-style discs help with heat dissipation, which is especially important during long practice sessions or competitive races. Lightweight wheels, grippy motocross tyres, and a race-focused design further enhance the overall performance package. In terms of ergonomics, the KTM 85 SX is designed to feel like a miniature version of the bigger SX bikes. The seat height, handlebar position, and narrow bodywork all work together to provide comfort while promoting proper riding posture. This allows young riders to develop good habits early in their riding journey. Overall, the KTM 85 SX is a bike built for serious young racers who want real performance, durability, and race-ready features. With its responsive engine, excellent suspension, strong brakes, and lightweight build, it stands out as one of the top choices in the youth motocross segment. Whether used for training or competition, the 85 SX gives riders a true taste of professional motocross performance. | — |
| Expert Review | MotoAutiv Team | — |
| FAQ (Manual Override) | Q: What is the mileage? A: The mileage is around 18–20 kmpl (may vary as it’s an off-road motocross bike). Q: What is the engine capacity? A: The KTM 85 SX comes with an 84.9 cc 2-stroke engine. Q: What is the seat height? A: The seat height is approximately 850 mm. Q: What is the top speed? A: The top speed is around 110 km/h, depending on rider and terrain. Q: Does the KTM 85 SX have electric start? A: No, it comes with a kick-start mechanism. Q: What is the fuel tank capacity? A: The fuel tank capacity is 5.2 liters. Q: Is the KTM 85 SX road legal? A: No, it is not road legal as it is designed specifically for motocross/off-road racing. Q: What type of brakes does it have? A: It features disc brakes at both front and rear. Q: Is the KTM 85 SX suitable for beginners? A: It is ideal for youth riders transitioning to higher-powered bikes, but not recommended for complete beginners. Q: What is the weight of the bike? A: The bike weighs approximately 68 kg (dry weight). | — |
| Price Variants | | 669000 | — |
| Pros | Powerful 2-stroke engine with strong mid-range performance. Lightweight chassis for excellent handling on tracks. Premium WP suspension for smooth jumps and rough terrain. Strong disc brakes offering sharp stopping power. Race-ready ergonomics designed for young motocross riders. | — |
| Starter | Kickstarter | Electric & Kick |
| Transmission | 6 Speed Manual | 4-speed (all-down shift) |
