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RK-3940
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K&N RK-3940 Intake System-Yamaha

Custom Assemblies > Intake System-Yamaha
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   1 Customer Review
  • Designed for Yamaha XVS950 motorcycles
  • Increase horsepower and torque
  • Easy to install
  • Hand made in the USA
  • Backed by K&N warranty
The K&N RK-3940 Intake System-Yamaha fits some Yamaha XVS950 Bolt, Yamaha XVS950 Bolt C-Spec, and Yamaha XVS950 Bolt R-Spec models. See vehicle applications link for details.
The K&N RK-3940 High-Flow Air Intake System increases engine intake airflow and delivering more horsepower & torque to specific Yamaha XVS950 model motorcycles. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake System. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N High-Flow Air Filter is washable, reusable, pre-oiled and ready for installation.

[RK Series Street Metal High Flow Air Intakes for Metric Cruisers]

Product Specifications

Estimated Horsepower Gain7.14 HP @ 5313 RPM
Air Filter ColorRed
Air Filter Height2.188 in (56 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
Air Filter ShapeUnique
CARB EO NumberD-269-50
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included2
ColorBlack
Inlet Diameter1.688 in (43 mm)
Mounting Hardware IncludedYes
Neck Flange1.688 in (43 mm)
Overall Height2.75 in (70 mm)
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Product StyleMotorcycle Intake System
Replacement FilterE-3982
Street Legal In All US StatesSee Application Link Above
StyleUnique
Top MaterialBlack Powder Coated
Top StyleMetal
TUV Approved (Europe)No
Weight4.1 lb (1.8 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N RK-3940 Intake System-Yamaha Product Reviews

Thursday, November 17, 2016 - Part RK-3940
Perfect fit, wonderful product, much better look than stock air cleaner. This really woke up my bike, cured most of the drivability issues I was having. I would highly recommend this air cleaner to anyone who has a Yamaha Bolt.

Thomas Retzius
Stockton, California