This is a video of a Briggs & Stratton Raptor 3 race engine that was in a shed for 21 years, it was on a old hand built yard kart and the gas tank, carburetor and intake port had water in them, so the engine was completely disassembled, cleaned, inspected and measured. This is a model 135230, Kool bore engine. The following OEM Briggs & Stratton parts were installed: 298982 - Rings / 261044 - Intake valve / 692180 - valve springs / 692194 - Valve retainer / 555061 - Valve lifter / 791781 - Breather / 555050 - Bearing / 555210 - Gasket set.
The carburetor is a new predator carb with #.018 low speed jet and #.035 main jet and stock E-tube on a custom built intake, the exhaust is a long pipe two stage header.
The following are some measurements: Bore = 2.5625" / Piston = 2.5580" / crank journal = 0.998" / Rod journal = 0.999" / Rod pin = 0.4895" / exhaust valve stem = 0.247"
Негізгі бет Barn find, Briggs & Stratton Raptor 3 race engine.
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