NGK Standard Spark Plug
AB-6
$8.99
Sale price
$8.99
Regular price
$8.99
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NGK Standard Spark Plug for Yamaha SW433 Snowmobile
NGK Standard Spark Plug for Yamaha SW433 Snowmobile
$8.99
Sale price
$8.99
Regular price
$8.99
SKU:38-2245
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Description
Standard Spark Plug
The workhorse, at the heart of smooth-running engines around the world.
FEATURES
- OEM Quality
- Triple-Gasket Sealing Process
- Consistent Performance
- Plug of Choice in Millions of Vehicles
- Sold each
Technical Specifications
- MFG. Part Number AB-6
Vehicle Information
Yamaha SW433 Snowmobile (1971-1973)
The Yamaha SW433 series, produced from 1971 to 1973, represents a significant era for snowmobiling, known for its robust two-stroke, two-cylinder engines. Initially, the 1971 lineup included the SW396 with a 396 cm³ engine (27 hp) and the SW433E featuring a more powerful 433 cm³ engine (30 hp). This period saw continuous refinement, establishing the SW series as a reliable choice for winter enthusiasts. A notable evolution occurred between 1971 and 1972, as the 396 cm³ engine was phased out, making the 433 cm³ engine standard across the series, now designated SW433B. These 433 cm³ models benefited from a new five-port cylinder design and Yamaha's Autolube oil injection system for enhanced performance and reliability. In 1972, the EW433B trim introduced the convenience of an electric start. The 1973 SW433C model primarily featured minor cosmetic updates, such as new emblems and a redesigned seat, maintaining the proven 433 cm³ engine. Q: How do I ensure I'm selecting the correct parts for my Yamaha SW433?
A: To guarantee compatibility, please use the year and edition selector at the top of this page. This will filter parts specifically for your snowmobile's exact configuration.
Maintenance
| Component | Interval | Details |
| Engine Oil | 800 km (new vehicle), then every 4 000 km or annually, or every 100 hours. First change at 25 hours. | Change at the beginning of each season to address condensation. Some recommend changing at season end to remove acidic substances. |
| Oil Filter | With every oil change | |
| Drive Belt | Inspect often. Replace at first signs of wear. For maximum performance, replace every 2 400 km or less. | Replace if fraying, glazing, cracking, or delamination occurs. It is advised to carry a spare belt. |
| Spark Plugs | Annually | Replace every year to avoid problems, even if they appear to be working well. |
| Air Filter | Inspect every 25-50 hours. Clean every 10-12 hours or when dirty. | Replace as needed. In dusty/muddy conditions, inspect after every ride and replace more frequently. Replace immediately if soaked. |
| Coolant | Annually (Yamaha), or every 2 to 5 years. At least once per season. | Replace more frequently for high-performance use. Synchronize with oil changes for efficiency. |
These intervals are general recommendations for snowmobiles and may not be 100% accurate for your specific 1971-1973 Yamaha SW433. Always consult your official owner's manual for precise information.