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Description
Technical Specifications
- MFG. Part Number 04-11677
Vehicle Information
Arctic Cat EXT 400 Snowmobile (1972)
The 1972 Arctic Cat EXT 400 was a performance-oriented snowmobile, primarily offered in a "Racer" trim. It was equipped with a Kawasaki T1A400R1A engine, featuring an approximate 400cc displacement. The 1972 model year marked a transitional period for Arctic Cat, as the company shifted towards using Kawasaki engines across its lineup. While no specific mid-cycle generation or engine changes were detailed for the EXT 400, 1972 was the final year for open-backed hoods, a design that offered easier carburetor access compared to the fully enclosed hoods introduced in 1973 due to new sound regulations. General enhancements across all 1972 Arctic Cat snowmobiles included kink- and freeze-resistant throttle and brake cables, a more conveniently located handlebar-mounted kill switch, padded handlebars, reflective front bumper trim, and standard shocks in both front and rear suspensions. FAQ: How can I ensure this part fits my 1972 Arctic Cat EXT 400?
Please use our year and model selector at the top of the page to confirm compatibility for your specific model and trim.
Maintenance
| Component | Interval | Details |
| Spark Plug | Regular inspection | Clean carbon deposits, check and adjust contact points. Replace if worn. |
| Air Filter | Regular inspection | Check and clean or replace regularly. More frequently in dusty conditions. |
| Coolant | Before each ride | Check level before each ride. Ensure no leaks. Replace as per manufacturer recommendations. |
| Drive Belt | Regular inspection | Inspect for wear (flat teeth, cracks, fraying). Replace if damaged. |
| 2-stroke Oil Level | Before each ride | Check oil reservoir level before each ride. Fill with manufacturer-specified oil. Fuel/oil ratio was 20:1 for 1971-73 models. |