DESCRIPTION
Spectro 20W-50 Golden Heavy Duty Semi-Synthetic Oil is a premium motorcycle engine lubricant specifically engineered for Harley-Davidson and American V-Twin engines. Combining advanced Group IV synthetic lubricants with premium petroleum base oils and a sophisticated anti-wear additive package, this high-performance semi-synthetic blend delivers outstanding engine protection, reduced wear, and improved reliability under demanding riding conditions.
Designed to withstand the high temperatures and heavy loads commonly experienced by air-cooled V-Twin engines, Golden Heavy Duty helps reduce oil consumption while maintaining excellent lubrication and engine cleanliness. The advanced formulation protects critical engine components from wear and extends service life, making it ideal for touring, cruising, and everyday riding.
Exceeding known OEM and Harley-Davidson warranty requirements, Spectro Golden Heavy Duty Semi-Synthetic Oil provides the perfect balance of performance, protection, and value for V-Twin riders.
~ Premium semi-synthetic motorcycle engine oil
~ Specifically formulated for Harley-Davidson and V-Twin engines
~ SAE 20W-50 viscosity grade
~ Advanced blend of Group IV synthetic lubricants and premium petroleum base oils
~ Exceptional wear protection for critical engine components
~ Helps reduce oil consumption
~ Extends engine and component life
~ Excellent high-temperature protection for air-cooled engines
~ Advanced anti-wear additive technology
~ Maintains engine cleanliness and performance
~ Ideal for touring, cruising, and everyday riding
~ Exceeds known OEM and Harley-Davidson warranty requirements
~ Quality Spectro lubricants supplied by Motozone
Features
~ Semi-synthetic performance formulation
~ Advanced anti-wear protection system
~ Excellent thermal stability under high temperatures
~ Helps reduce engine wear and friction
~ Supports long engine life and reliability
~ Designed for demanding V-Twin operating conditions
Specifications
~ Product Type: Semi-Synthetic Motorcycle Engine Oil
~ Viscosity Grade: SAE 20W-50
~ Base Oil Type: Group IV Synthetic Blend with Premium Petroleum Oils
~ API Rating: SF / SG
~ Diesel Performance Rating: CD / CG-4
Important Information
~ Suitable for Harley-Davidson and other V-Twin motorcycles requiring SAE 20W-50 engine oil.
~ Always follow the motorcycle manufacturer's recommended oil viscosity and service intervals.
~ Exceeds known OEM and Harley-Davidson warranty requirements.
Whether you're touring across the country, cruising the open road, or maintaining a prized Harley-Davidson, Spectro 20W-50 Golden Heavy Duty Semi-Synthetic Oil delivers the protection and performance needed to keep your V-Twin running at its best.
At Motozone, we supply quality Spectro oils, lubricants, service products, and motorcycle maintenance solutions trusted by riders throughout New Zealand. Protect your engine with the proven performance of Spectro Golden Heavy Duty Semi-Synthetic Oil.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Kihikihi, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, Motozone will ship your purchase from the closest location where possible.
New Zealand
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout New Zealand is $7.99 for Urban and $12.99 for Rural Shipping.
In most cases shipping is overnight however it can take 2-3 days depending on time/day the order was placed. If delivery is to a rural address please allow a couple of extra days. We can ship to your place of work!
Australia
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout Australia is $19.99
Delivery takes approx. 5-10 days delivery.
RETURNS
RETURNS
Any goods purchased from Motozone can be returned within 30 days of receipt for refund or exchange.
The goods must be returned new, unused, unaltered, not previously installed, and in a sellable condition with all of the original packaging.
This right of return will not cover items that are special orders and found to be an incorrect fit, this is the responsibility of the purchaser, however all other standard warranties will apply.
Freight costs will not be refunded.
For the returns process contact or phone Motozone with your invoice number and the reason for return. We will then email you the correct form for processing.