Moose Racing has the answer to old and faulty radiator caps: Stock Replacement Radiator Caps. Priced under $20, replacing an old radiator cap is the least expensive and simplest way to solve or troubleshoot liquid-cooled bike or ATV radiator problems. The Stock Replacement Radiator Caps are equipped with high-temperature, corrosion-resistant silicone seals and universally fit most machines. Available from Parts Unlimited.
Retail Price: $18.95 (Black); $19.95 (Chrome)