Why is Stihl MS 462 C-M acceleration poor?
- EEmily ChandlerSep 12, 2025If your Stihl Chainsaw has poor acceleration, it could be because the chain is tensioned too tightly. Make sure to properly tension the chain. 

Why is Stihl MS 462 C-M acceleration poor?
If your Stihl Chainsaw has poor acceleration, it could be because the chain is tensioned too tightly. Make sure to properly tension the chain.
What to do if Stihl MS 462 C-M Chainsaw engine is flooded?
If your Stihl Chainsaw's engine doesn't start and you suspect it's flooded, clear the combustion chamber.
How to fix a Stihl chainsaw chain that won't rotate?
If the saw chain on your Stihl chainsaw does not rotate when the throttle is opened, there are a few potential causes. First, the chain brake may be engaged, so disengage the chain brake. Secondly, the chain could be over-tensioned, so tension the chain properly. Finally, the bar nose sprocket might be blocked. If so, clean the bar nose sprocket with STIHL resin solvent.
What to do if Stihl MS 462 C-M Chainsaw chain does not rotate?
If the saw chain on your Stihl chainsaw doesn't rotate when you open the throttle, check these items: 1. Ensure the chain brake is disengaged. 2. Make sure the chain is properly tensioned. 3. Clean the bar nose sprocket with STIHL resin solvent, as it may be blocked.
Why does my Stihl MS 462 C-M smoke or smell burnt when sawing?
If your Stihl Chainsaw smokes or smells burnt during sawing, the chain might be dull or improperly sharpened. Sharpen the chain properly.
Why does my Stihl Chainsaw idle erratically?
If your Stihl Chainsaw's engine idles erratically, the carburetor might be iced up. Allow the engine to gradually warm up to about 50 °F (10 °C).
What to do if Stihl MS 462 C-M chain does not rotate and guide bar sprocket is blocked?
If the chain on your Stihl Chainsaw doesn't rotate when you open the throttle because the guide bar sprocket is blocked, spray the guide bar sprocket with resin remover.
What to do if Stihl MS 462 C-M chain does not rotate and chain is tensioned too tight?
If the chain on your Stihl Chainsaw doesn't rotate when you open the throttle, and the chain is tensioned too tight, properly tension the chain.
What to do if Stihl Chainsaw chain does not rotate when throttle is opened?
If the chain on your Stihl Chainsaw doesn't rotate when you open the throttle, the chain brake might be engaged. Disengage the chain brake to resolve this.
How to increase RPM on a Stihl MS 462 C-M Chainsaw?
If your Stihl chainsaw engine does not reach maximum RPM, it is likely that the saw is not correctly tuned to ambient conditions. To fix this, calibrate the saw.
| Idle speed | - RPM | 
|---|---|
| Chain pitch | 3/8 \ | 
| Blade length | 710 mm | 
| Product color | Black, Grey, Orange | 
| Chain tensioner | Yes | 
| Engine displacement | 72.2 cm³ | 
| Power source | Gasoline | 
| Sound power level | 119 dB | 
| Vibration emission | 4.8 m/s² | 
| Sound pressure level | 108 dB | 
Provides guidance on how to use the manual effectively, including signal words and symbols.
Explains the signal words used in the manual to highlight important safety information.
Details the symbols used within the manual to aid in understanding instructions and references.
Identifies and illustrates the main components of the STIHL MS 462 C-M chain saw.
Explains the safety symbols found on the STIHL chain saw for user awareness and hazard identification.
Details the specific purpose and approved applications for the STIHL chain saw.
Covers operator health, physical condition, and responsibilities for safe operation, including fatigue and substance use.
Specifies essential protective gear for safe operation, including eye, hearing, head protection, and clothing.
Highlights critical safety measures related to chain saw operation, handling, and immediate hazards.
Provides detailed safety guidelines for fueling the chain saw, including location, pressure relief, and fire prevention.
Offers instructions and warnings on the safe operation and handling of the chain saw, including assembly and tensioning.
Explains the dangerous forces generated during chain rotation and their potential for serious or fatal injury.
Details the causes, mechanisms, and severe risks associated with kickback incidents.
Describes pull-in, a reactive force where the chain pulls the saw forward, causing loss of control.
Explains pushback, where the chain stops suddenly, driving the saw rapidly back towards the operator.
Provides guidance on safely cutting logs into sections, addressing rolling logs and support.
Details precautions for cutting logs with internal tension to prevent pinching and sudden release.
Explains the process of removing branches from a fallen tree, including safety tips for kickback and falling limbs.
Covers techniques for selectively removing branches from a standing tree, emphasizing safety and proper cuts.
Outlines considerations for cutting down trees, including factors affecting fall direction and escape paths.
Highlights critical safety warnings and general instructions for maintenance, repair, and storage procedures.
Lists essential checks and preparations before operating the chain saw.
Explains the components of the cutting attachment and the importance of matching parts for safety and function.
Provides step-by-step instructions for attaching and detaching the guide bar and saw chain.
Details the procedure and importance of correctly tensioning the saw chain for safe operation and performance.
Explains the function and types of lubricant required for the saw chain and guide bar for optimal performance.
Guides on how to set the oil pump for optimal lubrication based on conditions and usage.
Provides instructions on how to safely open and refill the chain oil tank.
Explains how to manually engage the chain brake for safety and operational purposes.
Details the procedure for safely disengaging the chain brake before starting the engine.
Outlines the importance of proper maintenance for the chain brake's effectiveness and safety.
Provides instructions and safety precautions for mixing gasoline and 2-cycle oil for the engine.
Details the safe procedure for refueling the chain saw, including pressure relief and fire prevention.
Illustrates and describes the correct methods for firmly holding the chain saw during starting.
Provides a step-by-step guide for safely starting the engine, including safety checks and procedures.
Explains the procedure for safely stopping the engine and securing the chain saw.
Details how to test the chain brake's functionality before each use.
Guides on checking the throttle trigger and lockout for proper operation.
Explains how to verify that the chain lubrication system is functioning correctly.
Describes the electronic engine management system that optimizes performance automatically.
Provides steps for calibrating the engine management system for optimal performance.
Explains how to set the shutter for cold weather operation to prevent carburetor icing.
Details how to set the shutter for warm weather operation to prevent engine overheating.
Outlines steps for safely preparing the chain saw for transport or long-term storage.
Provides guidelines for safely transporting the chain saw by hand or in a vehicle.
Details procedures for short-term and long-term storage of the chain saw to prevent damage and unauthorized use.
Provides instructions for cleaning the saw's body, shroud, and around the sprocket cover.
Details the process for cleaning the guide bar, its oil channels, and the saw chain.
Explains how to clean the air filter to maintain proper engine airflow and performance.
Guides on how to clean or replace the spark plug for optimal engine ignition.
Provides a schedule of regular inspections and maintenance tasks for the chain saw.
Covers general inspection and maintenance activities for the entire chain saw, including spark plug and filters.
Details how to inspect the chain sprocket for wear and when to replace it.
Explains how to check the guide bar for wear and damage, and how to maintain it.
Covers critical aspects of chain maintenance, including sharpening, depth gauge adjustment, and wear checks.
Offers solutions for common performance issues and troubleshooting steps for the chain saw, such as starting or idling problems.
Provides information on the Emission Compliance Period for the engine.
Lists key technical specifications for the STIHL MS 462 C-M model, including displacement and power.
Details the available chain sprocket options for the chain saw.
Specifies the minimum required groove depth for guide bars based on pitch.
Indicates the correct depth gauge setting for different chain pitches.
Explains various symbols and markings found on the chain saw and their meanings.
Notes that product improvements may not be reflected in the manual and advises contacting dealers for updates.
Classifies the gasoline-powered chain saw according to CSA Z62.1 standards.
Defines various classes of chain saws based on power source and intended use.
Lists compatible guide bar and saw chain combinations for the STIHL MS 462 C-M.
Emphasizes the use of genuine STIHL parts for optimal performance and safety.
Provides instructions on environmentally friendly disposal of the chain saw and accessories.
Outlines the warranty terms and conditions for the engine's emission control system.