Custom - Cruiser · 2011

Tech Twin American 13c Pennsylvania

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MotoLibrary Score

83 /100 High Performance

Power

140 HP

Engine

2081 ccm

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Performance & Handling Profile Versatile Everyday Motorcycle

Tech Twin American 13c Pennsylvania Performance & Handling Ratings

Power

81/100

140 HP

Torque

95/100

~191 Nm

Agility

65/100

Neutral

Ergonomics

68/100

Standard

Range

58/100

Standard

Tires, Oil & Maintenance Specs 2011 Factory Reference

Tech Twin American 13c Pennsylvania Tire Size, Oil & Service Capacities

🛞 Front Tire Size

80/90-21

Pressure: 2.5 bar (36 psi)

🛞 Rear Tire Size

240/40-18

Pressure: 2.9 bar (42 psi)

🛢️ Engine Oil & Capacity

SAE 10W-40 / 10W-50 Synthetic 4T (API SN / JASO MA2)

Capacity: 4.70 litres (4.97 US quarts)

⛓️ Final Drive & Chain

Belt (final drive)

6-speed

⚡ Spark Plugs & Battery

NGK CR9E /CR9EIA-9 / DPR8EA-9

Battery: 12V 12Ah / 14Ah (YTX12-BS / YTX14-BS / YTZ14S)

🔧 Printable Workshop Fluid & PSI Card →

Engine

Displacement 2081.3 ccm (127.00 cubic inches)

Engine Type V2, four-stroke

Engine Details R and R

Power 140.0 HP (102.2 kW)

Valves/Cylinder 2

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Ignition Digital transistorized (TCI / ECU)

Lubrication Wet sump forced lubrication with oil cooler

Transmission

Gearbox 6-speed

Final Drive Belt (final drive)

Clutch Multiplate wet clutch, cable/hydraulic operated

Driveline Baker RSD 6-speed

Performance

Exhaust Hand made stainless steel with an under chassis NASCARR styled muffler

Chassis

Frame Type DAM Motorcycles/Apex

Rake 35.0°

Front Suspension Penske Racing

Rear Suspension DAM/Single Sided swingarm

Wheels & Brakes

Front Tyre 80/90-21

Rear Tyre 240/40-18

Front Tire Pressure 2.5 bar (36 psi)

Rear Tire Pressure 2.9 bar (42 psi)

Front Brakes Single disc. Radial mount 4 piston Brembo Calipers

Rear Brakes Single disc. Radial mount 4 piston Brembo Caliper

Wheels BST Carbon Fiber/21 x 2.15 front, BST Carbon Fiber/18 x 8.5 rear

Dimensions & Weight

Oil Capacity 4.70 litres (4.97 US quarts)

Service & Fluids

Engine Oil SAE 10W-40 / 10W-50 Synthetic 4T (API SN / JASO MA2)

Brake Fluid DOT 4

Spark Plugs NGK CR9E /CR9EIA-9 / DPR8EA-9

Battery 12V 12Ah / 14Ah (YTX12-BS / YTX14-BS / YTZ14S)

Other

Starter Electric

Electrical 12V 12Ah / 14Ah (YTX12-BS / YTX14-BS / YTZ14S)

Notes

R and R engine. Carbon fiber wheels. Limited edition model.

Data-Driven Buyer Verdict Evaluated from 2011 OEM specs & class benchmarks

2011 Dam Tech Twin American 13c Pennsylvania Pros, Cons, Recalls & Verdict

✓ Pros & Key Strengths

Verified 140.0 HP (102.2 kW) power delivery paired with a 6-speed transmission.
Clean, quiet belt final drive (Belt (final drive)) with minimal routine lubrication required.
Balanced Custom - Cruiser chassis geometry with proven OEM componentry.

! Cons & Buyer Considerations

Exceeds the 70 kW (95 HP) ceiling for EU A2 restriction — requires a full unrestricted Class A motorcycle license.
As a 2011 model-year machine, buyers should inspect rubber brake lines, charging voltage, and suspension seals closely.
Stock suspension preload and damping should be dialed in for your specific rider weight and luggage load.

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Technical Overview

2011 Dam Tech Twin American 13c Pennsylvania Technical Analysis, Chassis Review & Ownership Overview

Built around Dam's custom - cruiser motorcycle platform, the 2011 Dam Tech Twin American 13c Pennsylvania utilizes a 2081.3 cc (127 cu in) v2, four-stroke layout designed for responsive throttle control. In factory specification, peak output is rated at 140 HP (102.2 kW), transferring power to the rear wheel through a 6-speed transmission, a multiplate wet clutch, cable/hydraulic operated clutch, belt final drive. Internal cylinder geometry specifies 2 valves per cylinder. With a specific output of 67.3 HP per liter, the engine character indicates a tractable, stress-free state of tune focused on everyday usability and broad torque delivery across the rev range.

Structurally, the 2011 Dam Tech Twin American 13c Pennsylvania is built around a DAM Motorcycles/Apex chassis with front suspension handled by Penske Racing and rear damping managed via DAM/Single Sided swingarm. Braking performance is delivered by single disc, radial mount 4 piston Brembo calipers up front paired with single disc, radial mount 4 piston Brembo caliper at the rear. Factory rolling stock mounts a 80/90-21 front tire and a 240/40-18 rear tire, sizing the contact patch for predictable turn-in grip and replacement tire availability.

Producing 102.2 kW, the 2011 Dam Tech Twin American 13c Pennsylvania exceeds the 70 kW A2 restriction ceiling and requires a full unrestricted Class A motorcycle license. Routine workshop maintenance calls for recommended SAE 10W-40 / 10W-50 Synthetic 4T (API SN / JASO MA2) engine oil (4.70 litres (4.97 US quarts)), NGK CR9E /CR9EIA-9 / DPR8EA-9 spark plugs, cold tire pressures of 2.5 bar (36 psi) front / 2.9 bar (42 psi) rear. Within MotoLibrary's Dam catalog, this model lineage spans 2 indexed model years (2010–2011), enabling direct year-over-year comparison of equipment and emissions updates. Buyers cross-shopping the 2011 Dam Tech Twin American 13c Pennsylvania in the Custom - Cruiser segment most frequently benchmark its horsepower, seat height, and curb weight against the Yamaha YBR125 Custom (2014), Yamaha YBR125 Custom (2013), Yamaha YBR125 Custom (2012).

Specific Output

67.3 HP/L

Tire Combination

80/90-21 / 240/40-18

About These 2011 Dam Tech Twin American 13c Pennsylvania Specifications & Data Sources: Technical data for the 2011 Dam Tech Twin American 13c Pennsylvania is compiled from manufacturer OEM service sheets and type-approval records by the MotoLibrary Editorial Team. Performance ratings, seat-height ergonomics, A1/A2 license eligibility, gearing speeds, and ownership cost estimates are calculated across MotoLibrary's database of 43,881+ motorcycles using power-to-weight (HP/kg) ratios and factory chassis dimensions.

✓ Verified against OEM service manuals & type-approval records

Editorial Methodology Report a Spec Correction →

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Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power

Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.

Brakes

Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.

Suspension

Suspension details can matter for comfort, road feel and long-distance riding.

Transmission

Transmission and final drive affect maintenance, smoothness and everyday usability.

Rider Profile

Who Is This Bike For?

🔴

Advanced

High performance — experienced riders only.

✌️

Best For

Cruising & Touring

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Seat Height & Ergonomics Seat: 800 mm (31.5 in)

Tech Twin American 13c Pennsylvania Seat Height & Rider Height Fit

Rider Height 175 cm (5'9")

Leg Inseam 79 cm (31.1")

Footwear Sole:

🟢 Balls of Both Feet (Secure)

Est. Knee Angle: ~92°

Quick Height Reference (800 mm Saddle + 38 mm Seat Width Arc):

163cm (5'4")

1-Foot Only

170cm (5'7")

Tip-Toe

178cm (5'10")

Balls of Feet

185cm (6'1")

Flat-Foot

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License & Power Limit Check Full A License (Unrestricted)

Tech Twin American 13c Pennsylvania A1, A2 & LAMS License Compatibility

Exceeds A1/A2 learner limits (>70 kW or >0.20 kW/kg). Requires an unrestricted Category A motorcycle license.

Output (kW / HP)

102.2 kW (140 HP)

Power / Weight

Standard

LAMS Ratio

N/A

🇪🇺 EU/UK A1 (≤11kW) ✗ No

🇪🇺 EU/UK A2 (≤35kW) ✗ Full A Only

🇦🇺 AU/NZ LAMS (≤150kW/t) ✗ Exceeds

🌍 Unrestricted Class A ✓ All Riders

* EU Directive 2006/126/EC requires ≤35 kW (47.5 HP), ≤0.20 kW/kg wet weight, and a factory base model not exceeding 70 kW (95 HP) for A2 restriction. Always verify VIN homologation on your registration certificate.

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Engine Design & Chassis Dimensions OEM Specs

Tech Twin American 13c Pennsylvania Engine Stroke, RPM & Steering Geometry

Mean Piston Speed (@ 9,500 RPM)

Standard Street Velocity

Standard Factory Thermal Load

Bore × Stroke Architecture

OEM Spec

Balanced Street Engine Architecture

Steering Rake & Trail

35° Rake

Relaxed High-Speed Straight-Line Stability

Wheelbase & Stability

Standard Wheelbase

Balanced street/canyon wheelbase

Engine Note: Mean piston speed (v_m = 2 × Stroke × RPM / 60) measures piston travel velocity at peak power. Values under 18.5 m/s indicate low inertial stress on connecting rods and rings; values above 21.5 m/s approach Formula 1 / MotoGP velocities.

Sprockets, Chain & Cruising RPM Base: 16T / 43T (2.69:1) · Class Ref

Tech Twin American 13c Pennsylvania Sprocket Ratio, RPM & Top Speed

Front Sprocket 16T (0)

Rear Sprocket 43T (0)

Final Ratio

2.69:1

0.0% (Factory Stock)

100 / 120 km/h RPM

Top gear est.

Geared V-Max

~263 km/h

Rule of Thumb: Dropping 1 tooth in the front (-1T) equals roughly adding +2.7 to +3 teeth on the rear sprocket, boosting wheel torque by ~6–7% at the cost of higher highway cruising RPM.

⚙️ Tire Size & Speedo Error Calc → 🏁 Loaded Rider HP/kg & Drag Calc →

Tire Pressure & Suspension Travel Travel: 125mm F / 130mm R

Tech Twin American 13c Pennsylvania Tire Pressure (PSI / Bar) & Suspension Sag

1. Riding Setup Mode:

2. Payload / Passenger Load:

Target Rider Sag (F / R)

38 mm Front · 39 mm Rear

Free (Static) Sag target: 10–15 mm

Cold Tire Pressure (F / R)

36 / 42 PSI

Cite or Share Spec Card

2011 Dam Tech Twin American 13c Pennsylvania Summary Table

Writing a review, forum post, or blog article on the 2011 Dam Tech Twin American 13c Pennsylvania? Copy a Markdown table or embeddable HTML spec card:

### 2011 Dam Tech Twin American 13c Pennsylvania — Key Specs & Telemetry
| Parameter | Specification |
| :--- | :--- |
| **Category** | Custom - Cruiser |
| **Displacement** | 2081.3 ccm (127.00 cubic inches) |
| **Power Output** | 140.0 HP (102.2 kW) |
| **Torque** | N/A |
| **Seat Height** | 800 mm |
| **Weight (Dry / Wet)** | N/A / N/A |
| **Mean Piston Speed** | Standard |
| **EU A2 License Status** | Full A License (Unrestricted) |
| **Source & Full Telemetry** | https://motolibrary.com/bikes/dam/tech-twin-american-13c-pennsylvania/2011 |

<div style="font-family:system-ui,-apple-system,sans-serif;border:1px solid #e2dfd8;border-radius:12px;padding:14px 16px;max-width:560px;background:#ffffff;color:#1a1a1a"><div style="font-weight:700;font-size:16px;margin-bottom:8px">2011 Dam Tech Twin American 13c Pennsylvania — Technical Specs &amp; Recall Summary</div><table style="width:100%;border-collapse:collapse;font-size:13px"><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Engine / Power</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">2081.3 ccm (127.00 cubic inches) · 140.0 HP (102.2 kW)</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Seat Height</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">800 mm</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Weight (Dry / Wet)</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">N/A / N/A</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">License / Recall Audit</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">Full A License (Unrestricted) · Check VIN / model-year recall database</td></tr></table><div style="margin-top:8px;font-size:12px;color:#666">Data source: <a href="https://motolibrary.com/bikes/dam/tech-twin-american-13c-pennsylvania/2011" style="color:#bf3b00;font-weight:600;text-decoration:none">2011 Dam Tech Twin American 13c Pennsylvania Specs, Review &amp; Recalls — MotoLibrary</a></div></div>

Running & Fuel Cost Estimate

Tech Twin American 13c Pennsylvania Annual Fuel, Maintenance & Ownership Cost

Annual km

Fuel Price ($/L)

Fuel Consumption (L/100km) — estimated

⛽ Fuel

per year

🔧 Maintenance

per year

🛡️ Insurance

per year

TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

Quick Buyer Answers

2011 Dam Tech Twin American 13c Pennsylvania Frequently Asked Questions

Does the 2011 Dam Tech Twin American 13c Pennsylvania have any official safety recalls?

No model-year recall summary is currently flagged in our editorial audit for the 2011 Dam Tech Twin American 13c Pennsylvania. Always run the 17-digit steering-head VIN through NHTSA or DVSA before purchasing a used motorcycle.

What is the seat height and weight of the 2011 Dam Tech Twin American 13c Pennsylvania?

The 2011 Dam Tech Twin American 13c Pennsylvania has a seat height of 800 mm, a dry weight of unspecified, and a wet/curb weight of unspecified.

Is the 2011 Dam Tech Twin American 13c Pennsylvania EU A2 or LAMS license legal?

License classification: Full A License (Unrestricted). Exceeds A1/A2 learner limits (>70 kW or >0.20 kW/kg). Requires an unrestricted Category A motorcycle license.

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