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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
Yamaha RZ350 Motorcycle - Street (1984-1985)
The Yamaha RZ350, available in the North American market from 1983 to 1985, represents the pinnacle of Yamaha's RD series of two-stroke motorcycles. For the 1984 and 1985 model years, it was powered by a liquid-cooled, twin-carbureted, reed valve inducted, 347cc parallel-twin engine. This model was also the first in the RD series to incorporate the Yamaha Power Valve System (YPVS), optimizing power and torque across the entire rev range. While the RZ350 retained its core architecture, 1985 marked a notable stylistic transition. The RZ350F model introduced a full, frame-mounted fairing and Variable Damper forks, moving away from the bikini fairing attached to the forks of earlier versions. Engine refinements, including modifications to the cylinders, carburation, reed valve, and oil pump, were also implemented to address mid-range performance issues. Q: How can I ensure parts fit my Yamaha RZ350?
R: To guarantee compatibility, please use the year and model selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Air Filter | 24,000 km | Clean and replace as needed. |
| Spark Plugs | Check regularly | Check, clean, or replace as needed. |
| Coolant | 24,000 km or 24 months | Replace. Engine should be warm before draining. |
| Engine & Transmission Oil | Check regularly | Check and adjust level. The RZ350 is a two-stroke motorcycle without a conventional engine oil filter. |
| Autolube Pump | Check regularly | Inspect and adjust. |
| Drive Chain | Check regularly | Check and adjust tension, lubricate. |