it's simply because a lot of off road motorcycle pipes are not attached directly to the cylinder

For PEUGEOT 307 2

Nickel Plated

Fit for Suzuki LT160 LT160E QuadRunner 1989-1992

Complete Carburetor Rebuild Set Repair Kit For 26mm Mikuni VM22 Carb Pit Dirt Bike Motorcycle

Generator Stator For SMC Explorer Rex Kreidler Barossa 250 ATV Quad 35560-CBT-00 Jeep Car Bumpers & Parts it's simply because a lot11 Poles Magneto Generator Stator Fit for SMC Rex Explorer ATV Quad 250cc Features: Direct replacement to your original unit Plug and play, direct fit, easy installation. Highest grade lamination materials. Connector included. Rubber grommet included. All products shipped are tested. Specifications: Condition: Aftermarket 100% Brand New Type: Stator Coil other specifications: Number of wires: 5 Number of plugs: 1 (+3) Number of pins: 3 + 1 + 1 + 1