Find great deals on eBay for briggs stratton 6.5 hp parts. Shop with confidence. Engine Operator's Manuals To obtain the operator's manuals, illustrated parts list or detailed help information for your Vanguard™ engine, you must search by your engine model number. This is an 11- or 12-digit number stamped into metal directly on your engine. Briggs & Stratton 272144 Vanguard V-Twin OHV Repair Manual. By Briggs & Stratton. $23.10 $ 23 10 Prime. For Most 6.5 Gross HP 13H000 Briggs & Stratton Vanguard Engines. Product Description. Briggs & Stratton new Vanguard 15W-50 full synthetic engine oil. Briggs And Stratton 6.5 Hp Service Manual Learn how to obtain the correct Operator's & Repair Manuals, as well as other how to access the operator's and repair manuals for your Briggs & Stratton. **See operator's manual or dealer for complete warranty details. 6.5 Gross HP* At least one product must be displayed. Please select another option to remove this.