STIHL MS 251 18″ 45.6cc Petrol Chainsaw

Description

Stihl MS 251 Chainsaw

The STIHL MS 251 petrol chainsaw is a versatile and powerful tool, ideal for ground maintenance, cutting firewood, and felling small to medium-sized trees. Equipped with a large 18″ guide bar and .325″ RM3 PRO chain, it delivers precise and efficient cutting performance across a wide range of tasks.

Powered by a 45.6cc 2-MIX engine, the MS 251 offers excellent fuel efficiency with up to 20% lower consumption and 70% reduced emissions compared to standard 2-stroke engines. Its pre-separation air filtration system extends filter life, while the E-Matic chain lubrication system ensures optimal oil distribution for maximum chain and bar protection with reduced oil use.

Designed for comfort and ease of use, this chainsaw features STIHL’s advanced anti-vibration system, tool-free filler caps for quick refuelling, and a side-mounted chain tensioner for safe and simple chain adjustments. With its outstanding power-to-weight ratio and ergonomic balance, the MS 251 is built for reliable performance and operator comfort, even during prolonged use.

Key Features
• 18″ guide bar with .325″ RM3 PRO chain – for precise, efficient cutting
• 45.6cc STIHL 2-MIX engine – 20% lower fuel use, 70% fewer emissions
• E-Matic chain lubrication system – maximises chain and bar life with reduced oil consumption
• Pre-separation air filter system – extends filter life for less maintenance
• Anti-vibration system – reduces fatigue and improves operator comfort
• Side-mounted chain tensioner – easy, safe chain adjustments without touching sharp teeth
• Tool-free filler caps – quick and simple refuelling and oil top-ups
• Excellent power-to-weight ratio – balanced, ergonomic design for all-day use

What’s In The Box:
• MS 251 Petrol
• 18″ .325″ RM3 PRO Chainsaw Chain
• 18″ Guide Bar
• Scabbard
• Combi Spanner

MS 251 Frequently Asked Questions

Q: Can I put a bigger bar on the MS 251 chainsaw?
A: You can fit a 16” bar and chain or 14” bar and chain to this model but it is not recommended to fit a bigger bar.

14” -30050004709 bar & 36390000056 chain
16” – 30050007013 bar & 36950000062 chain

Q: How powerful is the MS 251?
A: With a 45.6cc engine offering 2.2kW power output this chainsaw offers an excellent power output to offer an efficient cut.

Q: Is the MS 251 good for cutting down trees?
A: Yes, it is ideal for a variety of applications, from cutting firewood, felling small tees to timber construction and property maintenance.

Q: If the MS 251 reliable?
A: Yes, did you know Stihl are renowned for being the number 1 chainsaw manufacturer in the world. The MS251 is powerful and reliable and is at the top end of Stihl’s domestic chainsaw range.

Q: What do I need to use the MS 251?
A: You will need a good quality 2-stroke oil such as the HP super, chain oil and some unleaded petrol. We would also recommend a Stihl easy file or file kit to keep your chain nice and sharp during use and a spare chain incase of breakage / wear and tear. All accessories can be found in the related products above.Specification

Specification for STIHL MS 251 18″ 45.6cc Petrol Chainsaw