Fans of motorcycle performance increasingly turn to nitrous oxide systems (NOS) to lift horsepower and throttle response. This guide highlights five reputable NOS kits that are widely used across sportbikes, dirt bikes, and mini bikes. Each option includes installation essentials, compatibility notes, and key performance claims to help riders compare without price speculation.
Overview table of chosen products:
| Product | Brand | Key Benefit | Compatibility |
|---|---|---|---|
| NOS Kit, Electric Pack Single Stage | NOS | Single-stage nitrous boost with switch, relay, and harness | Single-stage NOS systems |
| MSX125 Grom 125 Performance NOS Stage 1-5 | 6 Sigma | Up to 20% peak HP at WOT; improved low-end torque | MSX125 / Honda Grom |
| Microburst NOS Kit fits Honda TLR 200 TLR 250 Reflex | 6 Sigma | Comprehensive kit with jets, needles, and tuning tools | Various Honda models |
| Suzuki Goose 250 GSX R 250 NOS Kit | 6 Sigma | Similar NOS benefits with boosting capability | GSX/R 250 family |
| Ninja 250 R EX250 NOS Kit | 6 Sigma | Peak horsepower gains with enhanced throttle response | Ninja 250 / EX250 |
Note: This article presents objective product features and typical usage scenarios. Always follow manufacturer instructions and local regulations when installing NOS equipment.
NOS Kit, Electric Pack Single Stage

The NOS Kit Electric Pack is designed for single-stage systems and includes essential components for activation and control. The package features a micro-switch, a bracket, an activation switch, a relay, and a harness. This kit emphasizes straightforward installation and reliable activation for riders seeking a first NOS upgrade.
MSX125 Grom Performance NOS Stage 1-5

This kit targets the popular MSX125 Grom platform by 6 Sigma, offering stages 1 through 5 for tuning your boost level. The core claim is a potential horsepower increase of up to 20% at wide-open throttle, along with stronger low-end torque. It is positioned for riders who want a clear, trackable power boost with manageable power delivery.
VM22 Carburetor Repair Kit for VM22

The VM22 carburetor repair kit by ZSDTRP is designed for YM YBR125 JYM125 motorcycles and similar carbureted systems. It emphasizes long-term maintenance with compatible gaskets, floats, and jets. While not a pure NOS power kit, it supports reliable carburetor function, which is crucial when running nitrous systems that demand precise fuel management to avoid lean conditions.
Microburst NOS Kit Fits Honda TLR 200/250 Reflex

The Microburst NOS Kit is designed for older Honda models like the TLR 200 and TLR 250 Reflex. It promises increased performance across RPM ranges and faster throttle response. The package includes complete installation instructions, with full support and carburetor schematics to guide tuning and setup for optimal results.
Suzuki Goose 250 NOS Kit

The Goose 250 kit from 6 Sigma targets Suzuki’s GN / GSX models in the 250 class, offering a straightforward NOS boost with claimed horsepower and throttle response improvements. It follows a familiar formula of a compact system designed for street and light-track use, with emphasis on ease of installation and reliable performance.
Ninja 250 R EX250 NOS Kit

The Ninja 250 R EX250 kit is a popular option in the 6 Sigma lineup, designed for the EX250 / Ninja 250 models. It advertises a 20% peak horsepower boost at wide-open throttle and improved low-end torque. The kit focuses on delivering noticeable gains in a balanced, rideable power curve suitable for street use and light track days.
Buying Guide: Key Purchase Considerations
- Engine compatibility: Ensure the NOS kit is designed for your motorcycle’s model, carburetion (carbureted vs. fuel-injected), and displacement. Some kits target specific platforms (e.g., MSX125 Grom, Ninja 250), while others are more universal.
- Stage and tuning: Single-stage kits offer a straightforward boost, while multiple stages allow a tunable power curve. Consider your riding goals, horsepower comfort, and tuning capability.
- Fuel management: NOS systems rely on precise fuel delivery. Kits that include or assume additional fuel management components reduce the risk of lean conditions that can damage engines.
- Installation complexity: Review whether the kit includes all necessary mounting hardware, switches, relays, and wiring harnesses. Some kits require professional installation for optimal reliability.
- Safety and legality: NOS use may be restricted on public roads in some areas. Verify local regulations and ensure safe mounting practices, including proper bottle placement and venting if applicable.
- Documentation and support: Look for kits with clear installation guides, carburetor tuning references, and accessible customer support for troubleshooting during setup.
- Durability and parts availability: Spooled jets, needles, and seals should be readily available. Check whether the kit provides replacement parts and a reliable warranty.
- Maintenance needs: NOS components can demand more careful maintenance, including checking lines, seals, and bottle integrity. Factor in routine checks as part of ownership.
In selecting a kit, riders should weigh the balance between ease of installation, tunability, and the level of power gain suited to their riding style. For street riders, a kit emphasizing throttle response and reliability may be preferable. For track-day enthusiasts, a configurable multi-stage setup could offer more precise control over a wider power band. Always follow safety best practices and manufacturer guidelines to minimize risk and maximize performance potential.