The Honda's original oil is actually very affordable, and pretty safe option. the 4 liter canister costs 55€ at my local dealer, and most of quality oils here like Castrol or Shell is also around 50€ / can. I run 10 w 40 on my 600, they also have 10 w 30 Honda oil that I run on dirt bikes at winter.. Type: Choose an oil designed for motorcycle engines, such as 10W-40 or 20W-50, depending on the climate.; Brand: Brands like Mobil 1, Castrol, and Motul offer high-quality oils suitable for your bike.; Capacity: The Honda Shadow 750 typically requires about 3.5 quarts (3.3 liters) of oil, including the oil filter change.; API Rating: Look for oil with an API rating of SJ or higher to ensure.
It also says to avoid synthetic oils. My 03 750 ACE has done nearly 100000km and I have not used SAE specific oils or synthetic oils. I do however change the oil filter with each oil change each 5-7000kms The VT motor is not a high powered or high tech motor, so I think it is a moot point about being too precious about oil type or exact weight.. Honda Shadow 750 Maintenance Specifications. Click here to see the factory recommended maintenance specifications and tolerances for such things as gaps, slack, free play, clearance, fluid types, capacity, part types, etc. for the VT750DC Spirit & VT750CD Ace and the VT750C2 Spirit & VT750C Aero.. Final Drive Oil Type: Hypoid Gear Oil SAE 80.