Home Improvement accessory aimed at improving intake compatibility and basic performance for small-engine motorised bicycles. Fitting the Generic Reed Valve Kit gives riders a straightforward way to match intake geometry and refine engine response. Is it the right upgrade for a weekend racer or a daily commuter?
⚡ At a Glance
- • Flow Efficiency: Designed for 66cc and 80cc motorised bicycle intakes to help streamline airflow
- • Best for: Owners of 66cc and 80cc gas motorised bicycles seeking a simple intake upgrade
- • Not ideal for: Engines with intake sizes other than 32mm or 40mm
A racing-style reed valve kit supplied with two inlet options. Compatibility covers 32mm and 40mm intake set-ups for small-displacement bikes.
Better throttle matching - with dual 19mm and 25mm inlet options
Two inlet diameters are supplied so the reed assembly can be matched to different carburettor or intake throat sizes. The 2-in-1 arrangement supports both smaller and larger setups without needing separate kits.
Easier matching of carburettor and intake improves throttle behaviour across typical 66cc and 80cc installations. Reduced fuss when swapping between setups at the workshop or track.
Wide intake compatibility - with support for 32mm and 40mm intakes
The reed valve is specified for use on 32mm and 40mm intake manifolds, a common size range for small gas motorised bicycles. The supplied drawing helps confirm correct sizing before fitment.
A single kit suits two common intake diameters, cutting the need to buy multiple parts. Clear sizing reference reduces trial-and-error during installation.
Works on standard and windowed pistons - with proven piston compatibility notes
Performance notes state the assembly works well with normal pistons and cylinders, while performance gains are more likely when paired with a windowed piston. The description explicitly distinguishes between the two piston types.
Reliable fit on standard piston engines ensures straightforward upgrades for many riders, while those running or planning a windowed piston can expect improved results when combined with the valve kit.
✨ The 4 Key Reasons for Generic Reed Valve Kit
- Racing-style design - Meant to support performance-focused intake setups
- Dual inlet options - Match carburettor throat for more precise tuning
- Normal and windowed piston note - Works on stock pistons, better with windowed pistons
- Installation drawing included - Visual reference reduces fitting uncertainty
📋 Technical Details at a Glance
- Category: Home Improvement
- Compatible engine sizes: 66cc, 80cc
- Intake size compatibility: 32mm and 40mm intake
- Inlet diameters: 19mm and 25mm
- Package contents: 1 x Reed Valve Kit with two inlet sizes (19mm & 25mm)
❓ Frequently Asked Questions
Q: Which intake sizes does the kit fit?
A: The kit is designed for 32mm and 40mm intake setups, covering common small-bike manifolds.
Q: Is the kit suitable for 66cc and 80cc engines?
A: Yes, the product is specified as a 2-in-1 solution for 66cc and 80cc gas motorised bicycles.
Q: Do I need a windowed piston for good performance?
A: No, the kit works well with normal piston and cylinder arrangements; better performance is noted when paired with a windowed piston.
🏆 Our Verdict
The Generic Reed Valve Kit is suitable for riders and hobbyists who want a straightforward intake upgrade for 66cc and 80cc motorised bicycles. Dual inlet sizes and explicit compatibility with 32mm and 40mm intakes make the kit a practical match for common small-engine setups. Straightforward fitment and included reference drawing mean the kit represents a sensible long-term addition for modest performance tuning.
