Yamaha YFZ450 Build - Part 12 - Engine (Motor) Install (Installation), Assemble (Assembly) - In this video we will begin by splitting the engine (motor) crankcases, removing the transmission & oil strainer, then cleaning everything. Then we will begin assembly by first pulling in the brand new OEM Yamaha crankshaft using the Tusk Crank Case Splitter/Separator / Tusk Crank Puller. Next we will install the complete transmission, main axle, drive axle (countershaft), pinion gear wheels, shift cam (drum), shift forks. Finally we will be sealing the crankcase halves together (mating) using a coat of Yamabond 4 Motorsport (high temperature liquid gasket) on the surfaces and torqued to proper specs after the oil pass through dowel and o-ring installation. We accomplished this by inserting & torqueing all the bolts, and adding electrical components, brackets, clips, springs, bearings, rubber caps, snap rings, circlips, o rings, Delrin bushings, collars, cotter pins and by using loctite (thread locker) red 271 and blue & anti-seize copper. This is a full ATV build, quad 4-wheeler rebuild. Yamaha YFZ450 YFZ450r Restoration, Restore, Replacement, Assemble.
00:00 - Opening Brand New Parts
07:03 - Out of House - On Scissor Stand Jack
09:27 - Begin Engine Tear Down
11:47 - Removing Crankcase Bolts
13:31 - Crankcase Splitting (Separating)
19:02 - Remove Oil Strainer (Oil Screen)
19:59 - Remove Crankshaft (Crank Shaft)
24:48 - Install Brand New OEM Crankshaft
29:33 - Tusk Crankshaft Puller Tool
39:20 - Transmission Install
43:37 - Shift Forks Direction (Orientation)
45:46 - Shift Cam (Shift Drum)
46:55 - Service Manual Installing the Transmission
48:00 - Dropping the Transmission in Crankcase Bearings
53:19 - Testing the Shifting - Spinning the Gears
54:43 - Oil Pass Through Dowel with O-Ring
57:33 - Oil Screen (Oil Strainer) Installation
59:02 - Yamabond 4 Application and Final Checks
59:52 - Cleaning the Hardware Bolts
1:02:40 - Applying Yamabond 4 Motorsport to Mating Surfaces
1:04:03 - Dowel Pins Anti-Seized and Installed
1:04:49 - Mating the Crankcase Halves Together
1:06:00 - Torqueing the Bolts (Torque Specs)
1:10:37 - Short Outro - Life Update
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Parts and or Tools Used:
Yamabond 4 Motorsport High Temperature Liquid Gasket - Gear and Engine Oil Resistant - Silicone Rubber-Like
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Tusk Crank Case Splitter Separator And Crank Puller Installer Tool Dirt Bike ATV
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Permatex Ultra Slick Motor Engine Assembly Lube, 4 oz.
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Permatex Medium Strength Threadlocker Blue, 6 ml
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Maxima Waterproof Grease - 16 oz. Bottle Can
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LEXIVON 1/2-Inch Drive Click Torque Wrench (10 to 150 ft lbs, foot pounds)
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LEXIVON 1/4-Inch Drive Click Torque Wrench (20 to 200 in lbs, inch pounds)
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STANLEY Professional Grade Black Chrome NEW Mechanics Tool Set (Socket Set-229 pieces)
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Hitachi 18V Cordless Lithium-Ion Brushless Triple Hammer Impact Driver
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4-Piece Snap Ring Pliers Set - Heavy Duty 7-inch Internal/External Circlip Pliers Kit (Tip Diameter 5/64'')-Straight/Bent Jaw - Cr-V Steel - for Ring Remover Retaining- Storage Pouch Included
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Lang 40 Piece Fractional and Metric Thread Chaser Restorer Kit
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Dremel 4300 High Performance Rotary Tool Kit with LED Light
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Pit Posse Motorcycle ATV Scissor Floor Jack Lift Table Stand with Caster Wheels - 13-36 Inches
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Maxima MPPL (Multi-Purpose Penetrant Lube), Chain Cleaner, and Chain Wax Ultimate Chain Care Aerosol Combo Kit (Pack of 3)
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Maxima MPPL Multi-Purpose Penetrant Lube - 14.5 oz. Aerosol
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Motion Pro Spinner 2 T-Handle - 1/4" Drive
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Tutorial | Instruction | Install | Installation | How To | Fix It | Git-R-Done
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