Engine Performance

New low cost one piece billet cylinder head. Anodized for corrosion protection with Blowsion Engraved logos. For 701 / 760 / 850 Yamaha Engines. NOTE: Cylinder Head Domes, Optional Hardware Kit, Optional Girdle Kit and Optional Color Anodized Head Insert are all sold separately.

Blowsion Billet Cylinder Head Insert for the newly redesigned Blowsion 1-Piece Cylinder Head. Available in all anodized colors!

6mm Brass Push-In Primer Barb Fitting for Mikuni Carburetors.

Part Number: 09-02-407

6mm Brass Push-In Primer Plug Fitting for Mikuni Carburetors.

Part Number: 09-02-409

DASA Intake Manifold O-Ring Rebuild Kit. Includes replacement O-Rings for V Force 2 Reeds and Carburetor Speed Plate.

Part Number: 01-02-248

Fits 6mm choke shaft Mikuni dual carburetors. Starting the engine of your personal watercraft is never a problem with a Blowsion primer kit. All brass fittings and Primer Bulb. Get rid of that worthless factory choke and apply a direct shot of fuel! Pair with the Blowsion Dash Fitting for best protection.

Part Number: 01-02-406

Blowsion Stainless Steel FP Headpipe Bolt Kit. Replace those crusty old factory pipe bolts with these stainless steel socket heads. Kit Includes 3 Bolts, 3 washers and 3 Lock Washers. Fits all Yamaha Style FP Headpipes.

Part Number: 01-01-698

Billet Aluminum Backing Nut for Kawasaki Billet Electrical Box Fitting. These are to be used on aftermarket or custom electrical boxes that are not threaded and require a nut to secure the fitting. Anodized Clear for corrosion protection.

Part Number: 01-04-454

Finish the look of your engine compartment with a Blowsion Colored Hose Kit. Hose Kit includes 10 foot lengths of 1/8 Primer, 1/4 Fuel and 3/8 Water lines. Available in Black, Blue, Green, Orange, Red, or Yellow.

Blowsion Engine Leak Down Block Off Kit. This is an essential tool for determining engine health. Make sure your fresh rebuilt engine is sealed properly, or use it to diagnose engine and/or tuning issues. Utilize your existing leak down tester or plug your Pop-off pressure gauge into the pulse fitting on your cases and check for air leaks. Includes anodized aluminum plates and rubber gaskets to match. All mounting hardware included. Fits all years 62T 701 engines and 62t 760 engines with a b-pipe manifold.

Part Number: 01-03-816

Closeout Sale on Last Years Model. Blowsion Billet Flywheel Cover. Fits all OEM Yamaha Superjet 61X and 62T Crankcases. Stainless Steel Hardware and O-Ring Gasket Seal Included. Limited Quantities/Colors available.

Brass Hose Barb Tee Fitting 3/8" x 3/8" x 3/8" for custom water routing applications.

Part Number: 01-01-080

Replacement O-Ring Gasket Seal for all versions of the Blowsion Billet Flywheel Cover.

Part Number: 01-03-359

Brand new modified OEM Yamaha 62T Crankcases now available from Blowsion for DASA Big Bore Stock Stroke Engine Setups. Includes Case Bore, Epoxy Fill, Trenching and Reinforcement plate for Stock Stroke Crankshafts.

Part Number: 01-03-763
OEM Yamaha Crankcase Part Number: 62T-15100-00-00

Blowsion Stainless Steel Socket Head Bolt Kit for Mikuni Super BN Carburetors. The Socket Head Bolt design allows for use of hex key tool which results in much easier access. Replace those easy to strip Mikuni phillips head screws before it is too late!

Part Number: 01-02-547