RS40-1B-40T Simplex Sprocket for Torque Converter Drive
Part Code: RS40-1B-40T
Part Name: Simplex Sprocket for Torque Converter Drive
Part Name: Simplex Sprocket for Torque Converter Drive
Part Code: RS40-1B-40T
Usage: This sprocket is used in Comet TAV2 torque converter drive systems.
Application of Comet TAV2 Drive Sprocket
Built for Reliable Power Delivery in Small Vehicle Drive Systems:
Engineered for Comet Torque-A-Verter TAV2 torque converter assemblies, this sprocket mounts directly on 3/4-inch engine crankshafts and drives #40 roller chain systems with smooth, slip-free power transmission.
Optimized for Medium-Torque, High-RPM Applications:
Ideal for go-karts, mini bikes, ATVs, small tractors, lawn equipment, and other compact vehicles where balanced acceleration and steady chain motion are essential. The 40-tooth profile supports faster chain travel with controlled torque output.
Compatible Across Global Small-Engine Platforms:
Widely used in Comet TAV2 systems, Manco go-karts, and their aftermarket replacements (218353A, 219552A, 219456A, 217610A, 203814A). Trusted by manufacturers of small vehicles, garden machinery, utility equipment, and recreational power units.
Summary
A precision-machined #40 chain sprocket designed for Comet TAV2 torque converters, delivering dependable speed, secure mounting, and smooth power transfer for go-karts, mini bikes, ATVs, and compact power equipment.
| Parameter | Value / Description |
|---|---|
| Application | Drive sprocket for torque converter in small vehicles (go-karts, mini bikes, tractors, ATVs, lawn mowers, etc.) |
| Chain Standard | ANSI 40-1 (RS40-1B) Simplex Roller Chain |
| Number of Teeth | 40 |
| Pitch | 12.7 mm (0.5") |
| Pitch Circle Diameter (PCD) | ~162.58 mm (verify with drawing) |
| Outside Diameter (OD) | ~168.5 mm (verify with drawing) |
| Bore Diameter | 19.05 mm (0.75" – fits 3/4" straight crankshaft) |
| Keyway | 4.8 mm (0.19" – matches drawing) |
| Hub Diameter | As per drawing (see section details) |
| Face Width | 15 mm (~0.59") |
| Hub/Inner Width | 7 mm (~0.28", see drawing) |
| Mounting Type | Keyway + setscrew (standard torque converter fit) |
| Material Property | Medium/High carbon steel, case hardened |
| Surface Treatment | Black oxide or zinc plating |
| Teeth Details | Standard profile for reliable chain engagement |
| Total Weight | ~1–1.25 kg (estimated per drawing) |
| Sample Chain Pull (F) | ~1600 N (for small vehicle drive) |
| Sample Sprocket Speed (N) | 300–1000 RPM (go-kart typical) |
| Sample Torque (T) | 20–50 Nm |
| Sample Power (P) | 0.25–2 kW |
