GY6 Engine 54mm Short-Block 4-Stroke (longcase)
Description: GY6 Engine 54mm Stud Spacing Short-Block 4-Stroke longcase is a gas engine with an automatic CVT transmission. This is a builder's special! Top-end not include, so you can easily add 54mm stud spacing top-end of your choice. This is the short block (no cylinder or head) version of our top-of-the-line aftermarket replacement GY6 engine. This scooter engine is used in a wide variety of applications, including full-size street legal scooters, all-terrain vehicles (ATVs), dirt bikes, and go-karts. Compatible with both 125/150cc engine size scooters and vehicles. This partial engine includes a stator, flywheel, cooling fan, electric starter, kick start, and CVT. The included fan cover is set up for the PAIR emissions system. If you choose to use a non-emissions head, you will need the appropriate fan cover and matching shrouds.
NOTE: Does Not Include Cylinder or Head! This engine is shipped dry meaning no motor oil and gear oil, not included. Please remember upon use DO NOT RUN ENGINE WITHOUT ADDING SPECIFIED AMOUNTS MOTOR OIL AND GEAR OIL. Check oil level after letting the engine idle for a few minutes, add additional oil if needed. GY6 125cc and 150cc engines come in different sizes. Please measure the physical size of your engine and compare it to our specifications before ordering. The difference is in the length of the rear swingarm. Different lengths have been made to accommodate different wheel sizes. This GY6 Engine 54mm 4-Stroke longcase is set up for drum brakes.
Includes the following Engine short-block (mean without top-end).
• 1x Air-Cooled 54mm Stud Spacing 4-Stroke Engine (longcase)
• 1x Crankshaft L: 57.8mm
• 1x CVT Belt: 835-20-30mm
• 1x CVT Cover longcase: 17.875"
• 1x Final Drive Shaft L: 121mm
• Distance Between Mounting Points: 5"
• 2x Brake Shoes: 62.675x61x27.85mm
• 2x Clutch Springs: 35x6.5mm
• 1x Spark Plug
• 1x Starter: Electric/Kick-start
• 1x Stator: 8 Coil AC
• 1x Stator Fan/Shroud
• Use Engine Oil: 0.75 Liters
• Use Gear Oil: 0.17 Liters / change 0.16 Ltr
• Fit Intake Studs: M6 / Nuts: M6 / Socket: 10mm
• Fit Exhaust Studs: M8 / Nuts: M8 / Socket: 12mm
• Fit Cylinder Studs: 187.5mm 195.5mm / Nuts: M8 / Washers: M8 / Side Bolts: M6 / Socket: 8mm-12mm
• Fit Crankshaft 57.8mm +3mm
• Fit Dowel Pin Set (10x14mm)
• Fit Cam Chain 45 (90) links
• Fit Chain Guide (standard)
• Fit 54mm Stud Spacing (A-Block)
• Fit GY6 125/150cc+
Supported Models: GY6 152QMI 157QMJ Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento
Item Weight & Package Dimensions:
• 75 pounds | 30" (L) x 20" (W) x 18" (H)