How to Build a Yamaha TRI-Z 250 Engine | 1985 - 1986 Full Build Step by Step
#2stroke #ytz250 #yamaha

Here is the step by step engine build video for the TRI-Z 250. If this video helped you or a friend get their engine together, please like the video and share it! The more this video gets out, the more engines we can save. Thank you for watching 🤘🤘🤘

CHAPTERS

0:00 – Intro and Disclaimer

CENTER CASES

2:27 – Crank Seal Install
6:07 – Countershaft and Trans Bearing Mod/Install
7:31 – Crankcase Bearing Retainers and Shield Install
15:10 – Setting up for Transmission Install
15:40 – Transmission Differences 85 to 86
20:01 – Transmission Install
21:40 – Shift Fork and Cam Install
25:11 – Crankcase Halves Assembly

CLUTCH SIDE

33:23 – External Shift Mechanism
37:38 – Testing the Transmission
39:25 – Kicker Idler Gear Install
40:32 – Primary Drive Gear Install
42:19 – Kick Starter Assembly
45:26 – Clutch Basket Assembly
49:28 – Tightening Primary Drive Gear Nut
51:56 – Clutch Pack Install
53:59 – Clutch Arm Install
54:59 – Clutch Pressure Plate and Pusher
59:09 – Clutch Free Play Adjustment
1:02:08 – Water Pump Install
1:03:54 – Clutch Cover Install

TOP END

1:09:44 – Checking Ring End Gap
1:12:26 – Piston and Ring Install
1:16:13 – Cylinder Install
1:20:20 – Cylinder Head Install
1:21:47 – Intake and Reed Install

STATOR SIDE

1:23:43 – Sprocket and Collar Install
1:25:42 –Magneto/Flywheel Install
1:28:17 – Setting Ignition Timing
1:35:31 – Magneto Cover Install

CLOSING

1:35:57 – Showcasing and Seeing the Engine Run

PRODUCTS IN THIS VIDEO - (These links may be affiliate links that I get a kick back for; there is no added cost to you)

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T-Handle Allen Wrenches – http://cuts2.com/kSEVT
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Clutch Basket Holding Tool – https://bit.ly/3KokIak
Talon Clutch Basket – https://ebay.us/isZX0P
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SPONSORS/COMPANIES I TRUST

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⬇️ POWDER COATING ⬇️
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⬇️ SUSPENSION ⬇️
Rocket Ron - http://www.rocketronracing.com/
⬇️ CASE SAVERS & SKID PLATES ⬇️
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⬇️ PREMIUM BAR CLAMPS & THROTTLES ⬇️
Urmosi – https://urmosi.com/
⬇️ USED PARTS & REBUILD SERVICES ⬇️
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MERCH - https://michaelsabo.com/

Add me on Instagram @michaelsabo350 for Channel Updates!

Companies and Sponsors please contact: [email protected]

I own the license to use any and all music in this video.