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RRP Price: £21.30 | Save £6.76
£14.54 (inc. VAT)
1 in stock (can be backordered)
SERVICE KIT 16 for STIHL MS 661 – Optimised Performance & Longer Engine Life
Keep your STIHL MS 661 running at peak performance with Service Kit 16, the essential maintenance set designed to protect your chainsaw from wear, dirt and engine damage. Regular replacement of the air filter, fuel filter and spark plug helps extend engine life, ensures reliable starting, and maintains maximum cutting power—ideal for both professional forestry users and demanding domestic tasks.
HD2 Air Filter
Spark Plug
Fuel Filter
The STIHL HD2 filter delivers exceptional filtration thanks to its ultra-fine pores, effectively blocking even the finest dust and debris. This ensures:
Maximum engine protection
Optimal performance retention
Low fuel consumption
Reliable starting in all operating conditions
Perfect for heavy-duty use in dusty forestry environments.
Regular spark plug replacement helps maintain:
Easy starting
Consistent engine power
Efficient fuel combustion
Essential for keeping your MS 661 performing at its best.
The included fuel filter prevents dirt and foreign particles from entering the engine, supporting:
Longer engine life
Smooth running
Reliable performance in all conditions
Use the combination wrench supplied with your STIHL chainsaw to replace the air filter and spark plug.The service kit packaging also includes an integrated cardboard hook for quick and simple fuel filter removal—no extra tools required.
Delivery
Most products are kept in stock, and we aim to deliver your order within 1- 2 working days. If the item is out of stock, we will keep you informed of any major delays. MowShop shall not be held liable for any delays in delivering goods, nor shall they be held liable for delays caused to customers work commitments due to your order not arriving on time. MowShop shall not be liable to customers for charges for hire of alternate machinery or labour. MowShop will not be liable for compensation of any kind due to late delivery of machinery or failure of machinery or damage to property from delivery. Delivery of products is usually 1-2 days from receipt of order and clearance of payment. Delivery of tractors is usually 3 – 7 working days after receipt of order. Products will be despatched to your preferred address directly from our distributors. A detailed receipt, together with a copy of the credit card payment receipt, will be posted separately to you.
Cancellation Rights: Returns & Refunds after delivery
In accordance with existing UK Distance Selling Regulations and the SafeBuy Web Trader Code you have the right to cancel your order within 14 days of receiving your goods if you wish to return the items. To be eligible for a return, ensure that the goods remain unused and are retained in their original packaging and are in the same condition that you received it. It must also be in the original packaging. You must contact us before returning an item on 0345 222 1538, failure to do so may result in us being unable to action the refund process. We take no responsibility for items that are returned without prior contact or without authorisation from ourselves. You must return your products within 30 days of delivery at your own cost and risk. Returns should be sent to MOWSHOP, Allscott, Telford, Shropshire, TF6 5ED We will refund the price you paid for such goods within 30 days of the date of receiving the returned items, provided that the goods are returned by you and received by us in the condition they were in when delivered to you. Items returned without prior agreement will be refused and returned to sender resulting in you being liable for an extra charge from the couriers. If MowShop arranges to collect your items the cost to the buyer would be £36. This amount will be deducted from any refundable amount. If the returned item has been USED or isn’t in its ORIGINAL PACKAGING devaluing the goods resulting in handling them beyond what is necessary to establish the nature, characteristics or functioning of the goods we will deduct a reasonable amount from the refund, up to the contract price to cover us being unable to resell the item for its full value. We advise you take photos of the item and packaging before returning as a record of its condition, in the event of any damage acquired by the couriers when in transit. Please ensure there is no petrol or oil in the products and any batteries are disconnected before returning the items. Do not send your purchase back to the manufacturer. We will require a receipt or proof of purchase. The item must be boxed and package correctly as advised by the courier, a courier will refuse to collect the item if it is not properly boxed and we will charge for failed collections. The product remains yours until successfully received and signed for by a member of Mowshop.
Stihl, a German family-owned company founded in 1926, is an industry benchmark for high-quality outdoor power equipment. As the world’s top-selling chainsaw brand since 1971, they’re also the only manufacturer of their own saw chains and guide bars. Stihl offers a comprehensive range to suit professional forestry, landscaping, construction, and gardening, covering chainsaws, hedge trimmers, brushcutters, blowers, robotic and ride-on lawn mowers, pressure washers, tillers, grass trimmers, and scarifiers. Built with precision engineering, anti-vibration features, and easy-start systems, Stihl tools are celebrated for their durability, innovation, and user performance across the globe.
All machines shown in the current STIHL Sales Catalogue are covered for a period of 2 years** from the date of purchase by the Owner, when used for the designed purpose of that product by Domestic Users.
**STIHL High Pressure Cleaners are covered for an extended warranty period of 3 years in Domestic use.
See below for STIHL Grounds care applicable warranty periods.
All batteries and chargers for cordless products shown in the current STIHL Sales Catalogue are covered for a period of 2 years from the date of purchase by the Owner, when used for the designed purpose of that product by Domestic Users.
All machines shown in the current STIHL Sales Catalogue are covered for a period of 1 year** from the date of purchase by the Owner, when used for the designed purpose of that product by Professional Users (Including Hire, Rental and Construction Industry, Farm and Estate).
STIHL AS System, AI Line and AK System cordless products are not covered under warranty when used by Professional Users (including Hire, Rental and Construction Industry, Farm and Estate).
**STIHL High Pressure Cleaners are covered for an extended warranty period of 2 years in Professional use. NOTE: There will be no extension to the warranty period on products sold to the Hire, Rental and Construction Industry. The existing 1 year warranty period will remain for these products.
Ignition modules – There is a 2 year warranty on ignition modules.
**STIHL AP System Tools, Batteries and Battery products are covered for a period of 2 years from the date of purchase by the Owner, when used for the designed purpose of that product by Professional Users (including Hire, Rental and Construction Industry, Farm and Estate).
Spare parts are covered by a 1 year warranty.
All products shown in the current Sales Catalogue are covered for the period as shown below:
PPE – Personal protective equipment is covered for a period of 1 year for all user types.
* Subject to product registration and annual servicing (otherwise 2 years) ** Whole handlebar mechanism
