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Yamaha Gear Box Lower Unit Assy 63V-45300-31-4D/8D for 2T 9.9/13.5/15HP Outboard Motor Parts, 63V-45300-01-4D(S), 63V-45300-11-4D(L)

Price $260.00
Min Order 1 Piece
Availability In Stock
Shipping From Liaoning, China
Popularity 291 people viewed
Model NO.:
63V-45300-01/11/31-4D/8D
After-sales Service:
Yes
Warranty:
1 Year
Cylinders:
2
Fuel Type:
Gasoline
Engine Capacity:
1-2L
Engine:
2 Stroke
Engine Position:
Outboard
Condition:
New
Engine Power:
9.9HP 13.5HP 15HP
Applicable Brand:
YAMAHA
Unit Assy:
Lower Casing & Drive 1
Intake System:
Reed Valve
Fuel System:
Carburetor
Standard:
ISO
Type:
Lower Unit Assy
Material:
Aluminium Alloy
Trademark:
YALUME MARINE
Transport Package:
Box
Origin:
China, Japan, Taiwan
HS Code:
8409911100
Product Description


 
Detailed Photos

Installation Instructions

 

 
Product Description

63V-45300-03-4D
Lower Unit Assy, Yamaha,
For Outboard: Yamaha 9.9, Yamaha 13.5, Yamaha 15

63V-45300-03-8D
Lower Unit Assy (S), Yamaha,
For Outboard: Yamaha 9.9, Yamaha 15


63V-45300-13-4D 
Lower Unit Assy, Yamaha,
For Outboard: Yamaha 9.9, Yamaha 13.5, Yamaha 15

63V-45300-13-8D
Lower Unit Assy, Yamaha,
For Outboard: Yamaha 15

Material:
Our Gearbox is made of aluminum alloy which offers a good balance of strength, weight, and corrosion resistance.


The gear box 63V-45300 for Yamaha outboard motors is part of the lower unit assembly.
Its primary functions include:

 
1. Power Transmission: It transfers power from the engine to the propeller, allowing the boat to move.
2. Gear Reduction: The gearbox reduces the engine's RPM to a more manageable speed for the propeller, optimizing performance and efficiency.
3. Directional Control: It allows for steering and maneuverability by changing the angle of the propeller in relation to the hull.
4. Support: It houses bearings and supports the propeller shaft, ensuring stability during operation.

What's the differences between long and short gearbox?
 
The long and short gear boxes for Yamaha outboards accommodate different transom heights.
A long shaft is used for deeper transoms, while a short shaft suits shallower ones.
This ensures optimal performance and efficiency in various boat designs and water conditions.

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