Rick’s Motorsport Electric Regulator / Rectifier – Kawasaki Bayou KLF220 / KLF250 + KL/KLR/KLX Models

OVERVIEW

Restores consistent battery charging and stable voltage output to your Kawasaki machine with this precision-regulated charging unit. Designed as a direct replacement for the factory regulator and rectifier, it prevents overcharging and undercharging while maintaining reliable ignition performance. Constructed to meet original equipment manufacturing standards in the United States, it delivers dependable power management for motorcycles and ATVs alike.

ENGINEERING & PERFORMANCE

This charging module converts alternating current into steady direct current, ensuring your electrical system maintains safe voltage thresholds during prolonged operation and cold starts. Engineered with high-grade semiconductor components and heat-resistant housing, it sustains stable performance despite repeated load fluctuations. The unit bolts directly into original engine mounting locations and connects to factory wiring harnesses without adapter splices or custom fabrication.

KEY FEATURES

• OEM-style replacement designed to match factory dimensions
• Replaces stock part number 21066‑1052 without modification
• High-quality internal construction ensures dependable charging output
• Steady voltage regulation protects sensitive electrical circuits
• Multi-model compatibility across diverse Kawasaki platforms
• Made in the U.S.A. with standardized assembly protocols

TECHNICAL SPECIFICATIONS

• Brand: Rick’s Motorsport Electric
• Part Name: Regulator / Rectifier
• Component Type: Electrical Charging Unit
• Supported Years: 1984–2020
• Compatible Trims: Bayou (KLF220, KLF250), Mojave (KLF110), KL Series (KL250, KL600), KLR Series (KLR250), KLX Series (KLX250D)
• OE Replacement Number: 21066‑1052

FITMENT

• Kawasaki KL250 (1987–2005)
• Kawasaki KLR250 (1987–2005)
• Kawasaki Bayou KLF250 (1988–1994)
• Kawasaki Bayou KLF220 (1988–2002)
• Kawasaki Mojave KLF110 (1987–1988)
• Kawasaki Bayou KLF185 (1985–1988)
• Kawasaki KLX250D (2003)
• Kawasaki KL600 (1984)

WHY RIDERS CHOOSE THIS

Maintenance crews and weekend riders select this regulator and rectifier to eliminate recurring voltage drops that stall engines and drain batteries during off-season storage. The robust semiconductor layout actively suppresses voltage spikes while stabilizing amperage delivery, which extends the service life of spark plugs and sensors. Because the housing mirrors original engineering tolerances, wiring plugs align perfectly without strain or aftermarket adapters. This plug-in design guarantees predictable charging behavior across older K-series and modern sport-touring applications respectively.