2011 Beta 400 RS Dirt Bike Torque Specs
Shop parts for a 2011 Beta 400 RS Dirt Bike.
The 2011 Beta 400 RS is a road-sport machine built around the 398cc liquid-cooled DOHC four-valve single with electronic fuel injection and five-speed gearbox. Paired with 17-inch road wheels, street tires, and DOT-compliant equipment, the 400 RS delivers the four-stroke’s mid-range torque to the pavement. The steel frame with road-tuned suspension settings provides the chassis. The 400cc displacement offers strong acceleration and comfortable highway cruising for a single-cylinder road-sport machine. Sustained road use subjects the 400 RS to loading patterns that differ from the enduro models — high-frequency pavement vibration, hard braking from speed, and extended thermal cycling at sustained RPM.
Engine Torque Values
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Spark Plug | 12 | 9 |
| Cylinder Head Bolts | 45 | 33 |
| Cylinder Base Bolts | 25 | 18 |
| Valve Cover Bolts | 10 | 7 |
| Cam Sprocket Bolts | 12 | 9 |
| Oil Drain Plug | 20 | 15 |
| Oil Filter Cover Bolts | 10 | 7 |
| Flywheel/Rotor Nut | 75 | 55 |
| Clutch Hub Nut | 75 | 55 |
Suspension & Chassis
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Swingarm Pivot Bolt | 70 | 52 |
| Lower Triple Clamp Pinch Bolts | 12 | 9 |
| Upper Triple Clamp Pinch Bolts | 20 | 15 |
| Handlebar Clamp Bolts | 15 | 11 |
| Shock Upper Mount | 50 | 37 |
| Shock Lower Mount | 50 | 37 |
| Linkage Bolts | 40 | 30 |
| Subframe Bolts | 25 | 18 |
| Engine Mount Bolts | 45 | 33 |
Wheels & Drivetrain
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Front Axle Nut | 50 | 37 |
| Rear Axle Nut | 100 | 74 |
| Front Sprocket Bolt | 50 | 37 |
| Rear Sprocket Nuts | 30 | 22 |
| Chain Adjuster Lock Nuts | 18 | 13 |
Brakes
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Front Caliper Bolts | 30 | 22 |
| Rear Caliper Bolts | 25 | 18 |
| Front Disc Bolts | 10 | 7 |
| Rear Disc Bolts | 10 | 7 |
| Front Master Cylinder Clamp | 10 | 7 |
| Rear Master Cylinder Mount | 10 | 7 |
Dry vs. Wet Torque
Oil drain plug: always wet; reduce 15–20% with sealant. Road-sport riders accumulate mileage quickly, so drain plug thread management is critical across a riding season. All other values assume dry threads.
Road-Sport Vibration & Fastener Retention
The 400cc single generates noticeable vibration at sustained highway RPM through the five-speed gearbox’s wider ratios. Mirror mounts, lighting brackets, and handlebar clamp bolts are particularly susceptible to loosening on extended road rides. Mileage-based torque verification of these components — every 500 miles of road use — prevents progressive loosening that single-cylinder vibration causes over time.
Thread Locker Application
Medium-strength (blue) thread locker for the 2011 Beta 400 RS:
- Rear sprocket nuts
- All disc bolts
- Linkage bolts
- Subframe bolts
- Exhaust header bolts
- Mirror mount bolts
Torque Wrench Selection
A 3/8-inch drive click-type for 20–100 Nm and a 1/4-inch drive for 10–12 Nm hardware. Two drive sizes for the 400cc road-sport.
Related Shopping Categories
Shop Torque Wrenches for a 2011 Beta 400 RS Dirt Bike.
Shop Wrenches and Sockets for a 2011 Beta 400 RS Dirt Bike.
Shop Thread Locker for a 2011 Beta 400 RS Dirt Bike.
Shop Additional Tools for a 2011 Beta 400 RS Dirt Bike.
Shop Penetrating Oil for a 2011 Beta 400 RS Dirt Bike.
Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.
