Maintaining your Ariens snowblower’s engine efficiency hinges on using the correct spark plug. This comprehensive post guide provides a detailed chart listing the appropriate spark plugs for various Ariens snowblower models, ensuring your machine runs smoothly during the harshest winter conditions.
Ariens Snowblower Spark Plug Chart
| Model Series | Specific Models | Engine Type | Recommended Spark Plug | OEM Part Number |
|---|---|---|---|---|
| Sno-Tek Series | 920313, 920314, 920315, 920320, 920324, 920402, 920403 | LCT 208cc | NGK BPR6ES | 20001246 |
| Compact Series | 920013, 920021, 920022 | AX 208cc | NGK BPR6ES | 20001246 |
| Deluxe Series | 921024, 921030, 921032, 921037, 921038, 921040 | AX 254cc | NGK BPR6ES | 20001246 |
| Platinum Series | 921029, 921040 | AX 369cc | NGK BPR6ES | 20001246 |
| Professional Series | 926038, 926039, 926040 | AX 420cc | NGK BPR6ES | 20001246 |
| Classic Series | 920025, 920026 | AX 208cc | NGK BPR6ES | 20001246 |
| Path-Pro Series | 938031, 938032, 938033, 938034 | AX 136cc/208cc | NGK BPR6ES | 20001246 |
| SS21 Series | 938030, 938031, 938032, 938033 | AX 208cc | NGK BPR6ES | 20001246 |
| ST Series | 920300, 920301, 920302 | Tecumseh 5-8HP | Champion RJ19LM | 21533500 |
| ST Series (Older Models) | 932101, 932102, 932103 | Tecumseh 5-8HP | Champion RJ19LM | 21533500 |
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FAQ
What type of spark plug does a snowblower use?
Most snowblowers use standard small engine spark plugs. Common types include NGK BPR6ES, Champion RJ19LM, and Torch F6RTC, depending on the engine make and model. For Ariens snowblowers, the NGK BPR6ES is widely used across newer models, while older models with Tecumseh engines often use Champion RJ19LM.
How do I find out what spark plugs I need?
To determine the correct spark plug for your snowblower:
- Check the owner’s manual for your specific model.
- Look at the existing spark plug for a part number or brand.
- Refer to the model number on the snowblower and match it using the manufacturer’s website or service chart (like the one provided above).
- Contact Ariens customer support or a local authorized dealer.
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What size spark plug socket for Ariens snowblower?
Most Ariens snowblowers require either a 13/16-inch or 5/8-inch spark plug socket. These are standard socket sizes for small engine spark plugs. It’s always safe to use a spark plug socket with a rubber insert to protect the plug during removal or installation.
What is the spark plug gap for a 6.5 Briggs & Stratton?
For a 6.5 HP Briggs & Stratton engine, the recommended spark plug gap is typically 0.030 inches (0.76 mm). Always check your engine’s specifications to confirm, as using an incorrect gap can lead to poor performance or starting issues.
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How often should you change the spark plug in a snowblower?
Spark plugs in snowblowers should be:
- Checked every season before use.
- Cleaned and re-gapped if necessary.
- Replaced every 100 hours of operation, or once a year, whichever comes first. Harsh conditions, storage, or heavy use may require more frequent changes.
What is the best spark plug type?
The best spark plug type depends on the engine:
- NGK and Champion spark plugs are top choices for reliability and compatibility.
- Use OEM-recommended plugs to ensure proper fit and performance.
- For cold climates, copper-core plugs like NGK BPR6ES offer excellent conductivity and performance in freezing temperatures.
