Скачать или смотреть How to Rebuild a CT-90 Oil Pump | Full Teardown, Parts Breakdown, and Reassembly Tutorial

In today’s video, we break down and reassemble an **oil pump**, identifying every part, bolt, gasket, and tool used along the way. If you're restoring a bike or just learning how an oil pump works internally, this walkthrough guides you step-by-step through the entire teardown.

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*⏱️ TIMESTAMPS*

*00:00 — Opening the Oil Pump*
Reverse-engineering the pump and identifying the screws used in the cover.

*00:04 — Removing Phillips Head Screws*
Using an AP2 Phillips to pull the initial hardware.

*00:16 — Identifying M5 & M6 Screws*
Spotting two M5 screws and three M6 screws and noting their lengths.

*00:27 — Removing the Cover & Preserving the Gasket*
Pulling the oil pump cover (Part #7) while keeping the gasket aligned.

*00:33 — Understanding Key Parts*

Part #7 — Oil Pump Cover
Part #8 — Gasket
Part #11 — Rotor (outer oil pump rotor)
Part #9 — Drive Shaft

*00:48 — Rotor & Drive Shaft Breakdown*
Showing how the rotor and shaft sit and function inside the pump.

*01:08 — Removing the Oil Joint Bolt (#13)*
Using a size 14 wrench, examining the bolt design with bottom and side oil holes.

*01:27 — Unknown Internal Component*
Noting the mysterious part inside the pump housing.

*01:50 — Reassembly Begins*
Installing a fresh gasket, then inserting:

Part #5 — Oil Pump Body
Part #13 — Oil Joint Bolt (with washer)

*02:10 — Tightening the Joint Bolt*
Securing it with the 14mm wrench.

*02:20 — Installing the M6 1.0 Hardware*
Using a CRV 5mm Allen key for proper fitment.

*02:34 — Inner & Outer Rotor Reinstallation*
Placing:

Part #11 — Outer Rotor
Part #10 — Inner Rotor

*02:51 — Reinstalling the Drive Shaft*
Slotting Part #9 back into place.

*02:54 — New Gasket & Cover Replacement*
Setting gasket #8 and cover #7.

*03:04 — Final Hardware Placement*

Installing two M6 screws + washers (Part #23)
M5 × 12 bolt (Part #19)
Final 4mm placement screw

*03:27 — Closing Thoughts*
Wrapping up the short demonstration.

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*📦 PARTS COVERED*

#5 — Oil Pump Body
#7 — Oil Pump Cover
#8 — Gasket
#9 — Drive Shaft
#10 — Inner Rotor
#11 — Outer Rotor
#13 — Oil Joint Bolt
#19 — M5 × 12mm Screw
#23 — Washers

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