420 Chain Sprocket 25 Tooth 32 Link Kit for Coleman KT196 CK196 Go Kart Predator 196cc 212cc 6.5hp Engine

Product Specifications

Compatible Models

Frustrated by Chain Slippage and Premature Sprocket Wear on Your KT196 Go Kart?

Go kart operators know downtime means lost track time, missed races, or delayed customer deliveries. A worn or mismatched sprocket kit causes chain derailment mid-run, inconsistent power transfer, and repeated engine strain — especially under high-torque acceleration. OEM replacements are scarce, and generic kits fail within weeks due to poor material hardness or pitch inaccuracy.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 420 chain sprocket kit is manufactured in ISO 9001-certified facilities and undergoes pre-shipment performance testing — including pitch alignment verification and surface hardness validation — to match original equipment durability. Built for real-world go kart use, it delivers consistent torque transmission for KT196/CK196-powered karts used in recreational, rental, and light commercial applications. With 10 years of global export experience and 10,000+ SKUs in stock, XUNPO supplies verified aftermarket parts trusted by repair centers across North America, Europe, and Southeast Asia.

Where This Part Works

This sprocket kit is engineered for high-cycle, intermittent-load environments: kart rental fleets, racing clubs, youth training programs, and small-scale commercial track operations. It withstands repeated acceleration/deceleration cycles, lateral chain tension during cornering, and exposure to dust and moisture — all common in outdoor karting venues. Using a non-wear-resistant sprocket kit here leads directly to chain skipping, drivetrain vibration, and premature clutch or jackshaft bearing failure.

Engineering Details That Matter

The sprocket teeth are precisely machined to ANSI #420 pitch tolerance (±0.05 mm), ensuring full engagement with the chain rollers and eliminating slippage. Carbon steel composition (C45 equivalent) is heat-treated to 50–55 HRC, balancing surface hardness for wear resistance and core toughness to resist tooth chipping under shock load. The hub bore is reamed to ±0.02 mm concentricity, guaranteeing smooth rotation without runout-induced chain whip. All surfaces undergo phosphate coating for corrosion resistance — critical for humid or coastal operating conditions where rust accelerates chain-sprocket interface wear.

The Real Cost of Wrong Parts

A $12 counterfeit sprocket may save money upfront but often fails within 10–15 hours of operation — triggering chain breakage, damaged jackshafts, or seized clutches. Repair labor, part replacement, and lost operational time can exceed $200 per incident. In contrast, this wear-resistant sprocket kit meets ISO 8537 mechanical performance benchmarks and delivers 300+ hours of reliable service under normal kart usage. Total cost of ownership drops significantly when factoring in fewer breakdowns, lower maintenance frequency, and extended drivetrain life — not just unit price.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually blister-packed with anti-rust paper and molded EPE foam cushioning
• In-stock items shipped within 2–5 working days after order confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking number provided upon dispatch
• MOQ: 1 piece — designed for urgent repairs and small-batch testing

Get Your 420 Chain Sprocket Kit Now

Your go kart isn’t generating revenue while waiting for parts. Send us your machine model (e.g., KT196), required quantity, and destination — we’ll email a competitive quote within 24 hours. First-time buyers may request a sample for functional testing before bulk order. Stock is ready; your next race or rental shift starts with one message.

Frequently Asked Questions