Würth Start-Rapid Starting Aid Spray
Würth Start-Rapid Starting Aid Spray
SKU:
In stock
Key Features
- Rapid and reliable starting aid for engines experiencing cold start difficulties.
- Effective in cold, damp, and challenging weather conditions.
- Gentle on the battery, reducing strain during difficult starts.
- Suitable for all 2-stroke and 4-stroke petrol and diesel engines, with or without catalytic converters.
- Provides quick ignition thanks to its proven combinatrion of active agents.

Couldn't load pickup availability
Shipping Information
Shipping Information
What Are My Shipping Options?
In-Store Pickup
In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00.
An email confirmation will be sent when your order is ready for collection.
Free Shipping
We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.
Shipping Fees
We also offer shipping at the following rates:
Standard-Size Parcel
Standard (UK Only) - 2-3 Days - £2.99
Express (UK Only) - 1-2 Days - £4.99
International (EU) - 3-7 Days - £14.99
International (ROW) - 5-10+ Days -£23.99
Large Parcel
Standard (UK Only) - 2-3 Days - £2.99
Express (UK Only) - 1-2 Days - £4.99
International (EU) - 3-7 Days - £14.99
International (ROW) - 5-10+ Days - £69.99
Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.
International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.
International orders to the rest of the world will normally be sent with DPD or UPS.
Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.
Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.
Dispatch Times
Orders placed before 15:00 Monday - Friday will be shipped on the same day.
Orders placed after this time will be shipped on the following business day,
Please note, we are closed at weekends, as well as English Bank Holidays.
Returns Policy
Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.
Further Information
You can contact us for further information on our shipping policies using the following:
Phone: 01953 711 881
Email: sales@esupplyline.com
Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.
Contact Form: https://esupplyline.com/pages/contact
Share

Description
Reliable Cold Start Assistance
Würth Start-Rapid Engine Starting Aid is a specialised spray designed to assist with the reliable starting of internal combustion engines under harsh conditions. Cold, damp, or humid weather often leads to ignition problems, which place unnecessary stress on the starter motor and battery. This rapid aid ensures engines fire quickly and smoothly, reducing wear and preventing excessive battery drain.
Versatile Applications
Start-Rapid is suitable for a wide range of petrol and diesel engines, whether in everyday vehicles or equipment. It can be used in:
- Motorcycles, scooters, and mopeds.
- Boats and outboard motors.
- Emergency generators and pumps.
- Lawn mowers, chainsaws, and garden machinery.
- Construction and agricultural equipment.
- Model engines (aeroplanes, ships, cars).
Safe and Effective
The carefully balanced active agent formula provides fast ignition without damaging sensitive engine components. It is compatible with engines with or without catalytic converters, making it a versatile solution for many applications.
More Information
Application Instructions
- Ensure the ignition is switched on, and the starter is ready.
- Remove the air filter cover if necessary.
- Spray Start-Rapid briefly (max. 1-2 seconds) into the air intake manifold.
- Immediately start the engine.
- If the engine does not start after 2-3 attempts, stop and check engine functionality before trying again.
Usage Notes
- Highly flammable aerosol - use with caution.
- Container is pressurised; do not expose to direct sunlight or temperatures above 50°C.
- Always check material compatibility before application.
- Do not spray onto hot surfaces or near open flames.
Specifications
Application Range: 2- and 4-stroke petrol and diesel engines (with/without catalytic converter)
Contents: [not specified in your brief – usually 200–300 ml]
Form: Aerosol spray
Shelf Life: Typically 24 months from production (store cool and dry)