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Description
Take your performance to new heights with a Jet Kit for your vehicles. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. These Jet Kits take the guesswork out of tuning your vehicles.
Whether you’re rolling with a stock vehicles or you’ve made some modifications, our Jet Kit will optimize your air/fuel ratio to eliminate rough spots and help you take control of your vehicles’s power. You can go with a Stage 1 Jet Kit to give your stock engine a 5% boost of horsepower or send it all the way up to Stage 3 if you’ve already made major modifications to your vehicles.
STAGE 1 DETAILS
Perfect for vehicles with a stock engine using the stock airbox, air filter, and pipes. Stage 1 Jet Kits are engineered to improve throttle response and deliver approximately 5% more horsepower than stock. These kits are fully adjustable to allow the use of well-designed aftermarket pipes and stock replacement air filters, like K&N.
STAGE 2 DETAILS
If you’ve made slight modifications to your vehicles, but still crave more performance, a Stage 2 Jet Kit is the solution. With a Stage 2 Jet Kit, you could see power gains of approximately 8%. This kit is intended for vehicles with stock or mildly tuned engines using a well - designed aftermarket pipe with a modified airbox and a stock replacement air filter.
FEATURES
- 5-8% power range.
- Fully adjustable.
- Increases power and drivability.
- For carbureted vehicles only.
Technical Specifications
- MFG. Part Number 3243
Vehicle Information
Suzuki DR-Z400S Motorcycle - Dual-Sport (2000-2024)
The Suzuki DR-Z400S is a popular dual-sport motorcycle produced from 2000 to 2024. It is known for its consistent design and a 398cc, liquid-cooled, single-cylinder, DOHC, four-stroke engine, producing approximately 39 horsepower. It used a Mikuni BSR36 carburetor throughout this period. The DR-Z400S maintained a remarkably consistent core design. Minor updates included suspension changes (2002), a cam chain tensioner (2003), a primary drive gear (2004), and vibration damping (2005). The engine remained carbureted without major redesigns. Other variants like the off-road DR-Z400E and the Supermoto DR-Z400SM (introduced 2005) were also offered, but the DR-Z400S itself saw only minor refinements. No major generational overhaul occurred within the 2000-2024 range. FAQ:
Q: How do I find parts specific to my DR-Z400S?
A: Please use the year and edition selector at the top of the page to ensure compatibility with your specific model.
Maintenance
| Component | Interval | Details |
| Engine Oil | 6 000 km or 12 months | Or every 15 hours for recreational riding, or every 10 hours for aggressive/race-level riding. |
| Oil Filter | 12 000 km or 12 months | |
| Drive Chain | Check every use or every service | Clean and lubricate with every oil change, or more often if riding in dirt. Check and adjust slack with every oil change. |
| Spark Plug | 12 000 km or 24 months | |
| Air Filter | Varies by model and year | Service every 10 or 20 hours for recreational riding, or every 5 or 10 hours for aggressive/race-level riding, depending on model year. Inspect regularly and clean/re-oil as needed. |
| Coolant | Every 4 years | Use Suzuki Super Long-life Coolant. Some sources suggest every 2 years. |
| Valve Inspection/Adjustment | 12 000 km or 12 months | Major inspection at 24 000 km. Or every 30 hours of operation. For 2024 models with aggressive riding, some sources suggest every 20 hours. |