HPI HPI1406

This is HPI's Nitro Star S-25 Engine With Pullstart. This is the standard engine for the Savage 25 and the Savage SS monster trucks. Slide valve carb with flat-head screwdriver adjustment on needle valve ABC cylinder construction Purple anodized head Rear exhaust round port Flowed and counterbalanced crankshaft Machined pilot shaft crankshaft with collet preinstalled Knive-edged billet aluminum connecting rod with dual bushings. Nitro Star .25 (4.0) glow engine Glow Plug Air filter and replacement element Instructions Parts breakdown Decals Crankcase: 3.32" (from rear of case to front without shaft) Height: 4.41" (from bottom of case to the top of the head) Width: 1.81" (mount flange) Mount Holes: 1.42" (measured from center to center width) Mount holes: .82" (Between holes front and back) RPM: Over 38,000 RPM Horsepower: 2.5 @29000 RPM Crankshaft diameter: 5mm (clutch bell area) Crankshaft diameter: 6.7mm (threaded portion) Crankshaft screw: 3 x 12mm caphead screw Capacity: 4.09cc (.25) Glow fuel Glow starter Vehicle requiring a rear exhaust .25 engine. Tuned pipe Manifold Air cleaner OMMENTS: Replacement pull-starter is HPIG1428. ajw 10/12/03 ir/jxs &