Feedback Score: 0 reviews
Join Date: Jun 2006
Location: Western, Pennsylvania, USA
Thanked 23 Times in 21 Posts
A Krankvent is what you are looking for. Creates a negative pressure in the case. Lots of Harley guys use them. Perfectly safe for a 4 stroke. Also will help keep water out if you sink it by closing off the breather hose. That's where the water gets in.
2008 Renegade 800, Yellow, Ricochett Skids, BRP Rear Bag, BRP Daylight and Reverse Lights, X Machine Handguards, Taper Bars, and Shocks, PRP Stabilizer, Ceramic Coated Exhaust and Shields, Direction 2 Flares, DWT Diablo True Beadlocks, GBC Grim Reapers.
2011 Outlander XT-P 650, Steel Grey
2011 Polaris RZR S, Black and Carbon Fiber