Ever wondered what putting 5x more horsepower onto a mini bike would do? Check out the Honda gx390 performance mods build video that goes over the big block engine swap from the forged piston, billet rod and crank on the bottom end, to the black venom ratio rockers, heavy valve springs, 3 stage header, and flat-slide mikuni carburetor on the top end. Plus a little bit of riding at the end.
PARTS USED IN THIS BUILD
Honda GX390 Engine amzn.to/2zQIOrW
GX390 Starter amzn.to/2uxHdCl
Predaotr 420/Gx340/390 Billet Connecting Rod bit.ly/2mqzp0I
Honda Gx390 1.2 Ratio Roller Rockers bit.ly/2LpKfPr
90mm -.050" compresison height piston bit.ly/2uIlp6o
GX390 +.200" (70mm) stroker crank bit.ly/2uLyGuT
GX390 Crank Bearings amzn.to/2JyefHh
GX390 Oil Seal amzn.to/2NlSxs0
GX390 Magnetic Oil Plug bit.ly/2NrT4ZL
90mm .043" head gasket bit.ly/2NYiyic
35mm Intake Valve bit.ly/2L7ij6G
31mm Exhaust Valve bit.ly/2zZx0Uz
Billet Retainer Kit For Valves bit.ly/2mulnel
GX240-390 & 301-420 50 lb HD Valve Springs bit.ly/2msY98K
Rotating Assembly Balanced by NR Racing
GX390 Valve Lifters amzn.to/2L6lifW
GX390/420 275 Camshaft bit.ly/2No1LEs
GX390 Crankcase Cover amzn.to/2Jzynso
GX390 Gasket(s) amzn.to/2uxT1Ez
GX390 Valve Cover Spacer bit.ly/2uLAFPR
Cut To Length Push Rods bit.ly/2mthxT2
Mikuni TM32 Flatslide Carburetor amzn.to/2Ltf9q5
Billet 32mm Intake Manifold bit.ly/2LtYjHG
GX390/Predator 420 Exhaust Header bit.ly/2uHhdDV
40 series Torque Converter Kit bit.ly/2Nsg7U2
Billet Thumb Throttle amzn.to/2zQHh5a
Adjustable Throttle Cable bit.ly/2JzAL2k
TOOLS & CONSUMABLES USED IN THIS BUILD
Piston Stop amzn.to/2NZNxKN
Degree Wheel amzn.to/2zPQXwD
Timing Light amzn.to/2uxhMAX
Gasket Maker amzn.to/2uxU8Ef
Bearing Puller amzn.to/2mrjGOP
Plastigage amzn.to/2moGJKm
12 Point Socket Set amzn.to/2L2yiTH
torque wrench amzn.to/2L82pJu
Feeler Gauge amzn.to/2NYzBkl
Assembly Lube amzn.to/2NWIMlc
Dremel Rotary Tool amzn.to/2muFnxE
Carbide Rotary Burrs amzn.to/2O1Tp6n
Dial Indicator amzn.to/2zLZNLS
Green Grease amzn.to/2uwq3F4
Valve Lapping Compound amzn.to/2O13DnM
Valve Lapping Tool valve_lapping_tool
Isopropyl Alcohol amzn.to/2mpX9lz
50ml Class A Burette amzn.to/2L3Ojsp
Micrometer amzn.to/2uxvKTo
Mill amzn.to/2L9rHHi
Piston Pliers amzn.to/2zRgc1R
Piston Ring Compressor amzn.to/2uv9NEk
Dry Erase Marker amzn.to/2uxY4ov
Caliper amzn.to/2NZlQlt
Abrasive Chop Saw amzn.to/2uxsB5Y
Compression Ratio Calculator
bit.ly/2zSEOas
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Rock Intro 3 by Audionautix is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Artist: audionautix.com/
Негізгі бет Автокөліктер мен көлік құралдары Stroker Engine Build: 30+ HP on a 65 MPH Mini Bike! (Complete Build)
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