Lem Lb50 R
The Lem Lb50 R has a top speed of Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions), produces Estimated 6–8 hp and weighs Estimated 45–55 kg. Motoryk rates it 6/10.
The LEM LB50 R is a 50cc competition-oriented motorcycle produced by the Italian manufacturer LEM (Lavorazione Emiliana Metalli), a company known for specializing in small-displacement off-road and motocross bikes primarily targeting youth and junior riders. LEM has been producing lightweight competition machines since the 1970s, and the LB50 R was designed as an entry-level racing motorcycle to introduce younger riders to motocross competition. It gained popularity in European junior racing circuits due to its lightweight construction and race-ready setup.
Estimated 6–8 hp
Power
Estimated 6–7 Nm
Torque
Estimated 45–55 kg
Weight
Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions)
Top Speed
Estimated 2.0–2.5 L/100km (note: estimate, as official figures are not widely published for this competition model)
Fuel
Naked
Body
What Buyers Should Know
Simple Engine Maintenance
The LEM LB50 R uses a basic 50cc two-stroke engine that is straightforward to maintain and repair, making it a practical choice for beginner riders. Parts are generally affordable and widely available through Italian and European suppliers.
Watch for Carburetor Issues
A common issue on used LEM 50cc models is carburetor clogging or wear, especially if the bike has been stored without draining the fuel system. Always inspect the carb and fuel lines before purchasing a used example.
Low Resale Value
As a budget-oriented Italian 50cc bike, the LEM LB50 R tends to depreciate quickly and holds modest resale value compared to brands like Honda or KTM. This makes it a cost-effective entry point, but expect limited return if you resell.
Used Buyer Review
"Decent city runabout if history checks out, avoid mystery examples."
$400-$1,200 usedThe LEM LB50 R is a 50cc Italian-made mini motorcycle that sits in that awkward space between serious learner tool and glorified toy. For what it is, it's actually reasonably well built — the Italian pedigree shows in the frame quality and switchgear, which feels a cut above Chinese equivalents. Used examples are typically found in various states of neglect, so inspect the carburettor carefully and check the variator rollers on the CVT, because owners rarely service these properly. Performance is exactly what you'd expect from a restricted 50cc — adequate for urban commuting under 30mph but genuinely frustrating anywhere else. The front disc brake is a highlight, offering decent feel for the class. Suspension is softly sprung and wallows on broken tarmac, though it handles light road imperfections acceptably for short hops. Buy one as a first bike, a pit bike, or a cheap urban runaround. Don't expect longevity if the service history is sketchy — these engines hate neglect. A well-maintained example at the right money makes sense. A mystery-history bike is a gamble.
Top 10 Accessories
Curated picks for the Lem Lb50 R — owned, ridden, recommended.
Common Problems
🔥 1 CRITICALHard starting, rough idle, fuel smell in air filter
Jerky engagement, squealing, inspect belt visually for cracks
Fluid level, ground stains, test all speed ranges
Wobble or grinding noise when blades engaged
✅Pre-Purchase Checklist
Decent budget mower, maintenance history matters most
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Lem Lb50 R
Ktm Sx 125
Fantic Xmf 125
Kawasaki Klx110
Yamaha Ttr125
Aprilia Rx 125
Compare Lem Lb50 R Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Lem Lb50 R vs Ktm Sx 125
Specs · Power · Buyer verdict
Lem Lb50 R vs Fantic Xmf 125
Specs · Power · Buyer verdict
Lem Lb50 R vs Kawasaki Klx110
Specs · Power · Buyer verdict
Lem Lb50 R vs Yamaha Ttr125
Specs · Power · Buyer verdict
Lem Lb50 R vs Aprilia Rx 125
Specs · Power · Buyer verdict
More Lem Lb50 R Guides
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View all Lem models →Community Reviews
Discussion
Frequently Asked Questions
What are common problems with the Lem Lb50 R? +
Carburetor gumming from ethanol fuel sitting: Hard starting, rough idle, fuel smell in air filter (moderate) | Drive belt wear and slipping: Jerky engagement, squealing, inspect belt visually for cracks (moderate) | Transmission fluid leaks and gear hunting: Fluid level, ground stains, test all speed ranges (serious)
Is the Lem Lb50 R a good motorcycle? +
Decent city runabout if history checks out, avoid mystery examples. Rating: 6.0/10. Best for: New riders wanting cheap urban Italian transport. Avoid if: You need reliability beyond city limits.
What is the horsepower of the Lem Lb50 R? +
The Lem Lb50 R produces Estimated 6–8 hp @ 8,000–9,000 rpm (note: estimate; exact figures not widely published), with Estimated 6–7 Nm @ 7,000 rpm (note: estimate; official figures not widely available) of torque. Top speed: Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions).
Is the Lem Lb50 R good for beginners? +
Yes — the Lem Lb50 R is a reasonable choice for new riders (6 hp is manageable), weighing 45 kg. New riders wanting cheap urban Italian transport
Is the Lem Lb50 R reliable? +
Owners report 1 critical issue to watch for on the Lem Lb50 R, notably: Transmission fluid leaks and gear hunting (Fluid level, ground stains, test all speed ranges). Buy with a pre-purchase inspection.
Is the Lem Lb50 R good for daily use? +
New riders wanting cheap urban Italian transport Fuel: Estimated 2.0–2.5 L/100km (note: estimate, as official figures are not widely published for this competition model).
How fast is the Lem Lb50 R? +
The Lem Lb50 R reaches a top speed of Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions), producing 6 hp at 45 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Lem Lb50 R? +
Motoryk has curated a Top 10 gear list specifically for the Lem Lb50 R, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/lem/lb50-r/top10. Each pick is matched to this bike's spec.
