Crankshaft w/ Bearings Connecting Rod GY6 50cc Scooter 139QMB 17 & 22 Teeth

The RedCap Complete Crankshaft with Bearings and Connecting Rod is an essential replacement part for GY6 50cc-80cc 4-stroke engines, commonly found in Chinese scooters, quads, ATVs, and buggies. This crankshaft is designed to offer reliable performance and durability, ensuring your vehicle operates smoothly and efficiently. It is compatible with different models, including Gator 50, Baja, JMStar, Jonway, Lance, NST, Roketa, Sunl, Tank, TNG, Vento, VIP, and others. With its high-quality construction, this crankshaft offers excellent value for both casual riders and performance enthusiasts.

The crankshaft features precision-engineered bearings and a durable connecting rod for seamless integration into your engine. With a 22-tooth oil pump drive gear, the crankshaft ensures proper lubrication, maintaining optimal engine performance. It also comes with a set of bearings, including the 6204 and 6004 models, offering excellent support and reducing friction for longer engine life. The crankshaft’s sprockets, 17 teeth each, and precise thread sizes make installation quick and hassle-free. Whether you're replacing a worn part or performing a full engine rebuild, this RedCap crankshaft ensures reliability and power for your ride.

• Perfect Fit for GY6 Engines: This crankshaft with bearings and connecting rod is fit for GY6 50cc-80cc 4-stroke 139QMB engines. It's designed for Gator 50, Baja, JMStar, Jonway, Lance, NST, Roketa, Sunl, Tank, TNG, Vento, VIP, and many other scooters, ATVs, quads, and buggies, making it a reliable replacement for various models.
• Durable Construction: Built to withstand harsh riding conditions, this crankshaft assembly is made from high-quality materials like stainless steel, aluminum, and HDPE. These materials ensure superior durability and reliable performance, allowing you to confidently tackle both daily riding and off-road adventures.
• Enhanced Oil Pump Gear: Featuring a 22-tooth oil pump drive gear, this crankshaft assembly optimizes engine lubrication and power transfer, promoting smooth operation and enhanced engine efficiency. It ensures that your scooter or ATV runs smoothly, reducing wear and tear for a longer-lasting performance.
• Easy Installation: This crankshaft assembly is designed for easy installation, making it a great choice for DIY repairs and replacements. Its precise dimensions and detailed design ensure a seamless fit into your vehicle's engine, saving you time and effort while restoring optimal engine functionality.
• NOTE: Count the Teeth! Older Models Usually Have 16 Teeth, While Newer Models Will Have 22! Check Our Store for the Crankshaft with 16 Teeth.

Specifications:

• Overall Length: 24cm [9.45"].
• Bearing size/model: 20 X 47 X 14 [6204].
• Bearing size/model: 20 X 42 X 12 [6004].
• Sprockets: 17 teeth each.
• Spline count on the end of shaft: 26 splines.
• Thread size on tapered end: M10 x 1.25.
• Thread size on straight end: M12 x 1.25.
• 22-tooth oil pump drive gear.

Know to fit:

• For the GY6 50, 4 strokes, 139QMB, an engine for scooters, quads, ATVs, and buggies..
• Fits Gator 50 Baja, JMStar, Jonway, Lance, NST, Roketa, Sunl, Tank, TNG, Vento, VIP, and many others.