Engine Performance

Engine Block Off Plates 62T. A great way to block off access to your internal motor and all its complex innards. No more red rags or cheesy paper towels to suck through your initial engine fire off and carpet the cases with! Cool way for storing and displaying motors. Carbon Black Anodized and includes all mounting hardware. Fits all years 62T 701cc Yamaha two cylinder motors.

Part Number: 01-03-813

Our bulletproof nitrile o-ring kits come with the same quality and durability you have come to know and expect from Blowsion.

Part Number: 01-03-231

Blowsion Billet Yamaha Electrical Box Mount. A must have for any Aftermarket Yamaha Superjet Based Ski Build. Stainless Steel Hardware Included!

Part Number: 04-04-048

Sanitary anodized and engraved Blowsion logo carburetor block off. A necessity when using a remote fuel pump. Fits all Mikuni carbs. Billet aluminum with all stainless hardware included.

Part Number: 01-02-557

Yamaha SuperJet 850 Big Bore Sleeves. Fits 89mm to 91mm Piston. Performance Pre-Ported. To be used with stock stroke through 6 mil stroker motors. Blowsion custom designed include a wider exhaust port, wider boost port, deeper transfers and a narrowed skirt.

Part Number: 01-03-452

Yamaha 785 SuperJet 84-86.5mm Big Bore Sleeves. Performance Pre-Ported. To be used with stock stroke through 6 mil stroker motors. Blowsion custom designed include a wider exhaust port, wider boost port, deeper transfers and a narrowed skirt. Sold Each.

Part Number: 01-03-451

Introducing the new Blowsion Yamaha Fuel Pickup. Designed with the option for use as a single, dual and triple pickup this billet beauty is the lowest profile and lightest weight internal fuel filler available.

Properly install and secure your ballistic battery with this foam spacer. Available for all size batteries.

Part Number: 01-04-627

Replace that cracked and worn out stock plastic battery box with bulletproof Blowsion aluminum. Each box includes all stock location retaining clips for easy exchange. Padded bottom. Direct fit replacement for all years Yamaha Super Jet, FX1 and Polaris Octane. Can be fit as replacement to all Years Kawasaki 750 and SXR 800 with minor battery strap modifications. Color: Anodized Black

Part Number: 01-04-601

Blowsion manufactured Factory Pipe replacement coupler. This double compound thickness heavy duty silicone exhaust coupler fits "A" and "B" Headpipes including Kawasaki, Yamaha and Polaris Wet pipes. (DIMENSION 4"X 2 1/8") This is NOT the thin blue coupler model offered by other suppliers, but a spec manufactured Blowsion coupler made out of hi-heat silicone hose.

Part Number: 01-01-703

All metal and stainless construction. Easy to use. Just push in to your 45 degree or 90 degree aftermarket aluminum water bypass(es). Backflush away!

Part Number: 06-04-001

The preferred choice for fuel filters and water separators. Fits all Yamaha Standups. Can be used also with KAWI and Polaris Octane models. 1/4" Inlet/Oulet hose size.

Part Number: 01-02-551

Allows air to flow in one direction. 1/4" Barbed ends. Available in clear/black only.

Part Number: 01-02-554

Blowsion logo Outerwears flame arrestor water-resistant screens. Specifically formulated to prevent water ingress. Available for tapered tornado filters. Sold Each.

These Blowsion machined bypass fittings are angled at 45 degrees of flow. Fits 3/8" ID Hose. Offered in Anodized Clear, Black, Red, Blue, Orange and Green.