What is normal compression for a motorcycle?
Results. So what do the results indicate? Engines will need at least 100psi to run, and they might not run well at this low on compression. Most healthy motorcycle engines will have 120+psi.
How much compression should a motorcycle have?
Generally speaking, a motorcycle with around 100 PSI compression in its cylinders will likely need a rebuild very soon. Anything less than 100 PSI is going to have issues running, if it can even start at all. Most healthy motorcycle cylinders should read at least 110-120 PSI. All readings should be about the same.
What octane rating is 11 to 1 compression?
95 Octane. Gasoline with this octane number is known in Indonesia under the brands Pertamax Plus (produced by Pertamina), Super Extra (produced by Shell), and Primax (produced by Petronas). This type of gasoline is advisable for car engines with compression ratios of 11:1 to 12:1.
What compression is best for 93 octane?
Don’t worry about anything from 91-93 octane, stay with 11.5-1 and under.
What is the highest compression ratio for 87 octane?
Generally, engines with compression ratios of 9.3 : 1 or less will safely operate with unleaded 87 octane fuel. Engines with higher compression ratios usually require higher octane fuels.
Is the serial number on a CB750K the same?
The serial numbers do not match, but are in the same model series. It is not uncommon to find CB750’s which have a replacement engine from a different model year since engines from all of the CB750K models are compatible with all of the frames.
What are the colors of a SOHC CB750K?
The CB750K1 was sold in four different color schemes, Candy Gold, Candy Ruby Red, Candy Garnet Brown, and Valley Green Metallic. This model featured a single paint color for the tank, side covers, fork uppers and headlight shell. The side covers were smaller than the K0 without slots on the leading edge.
Is the CB750 K6 the same as the K5?
The CB750 K6 replaced the K5 in the US, the K4 in Japan and the K2 in the rest of the world. This model was available in one color, Candy Antares Red and featured light green instrument faces. New gear shift drum, new center shift fork for improved shifting. New gears on countershaft w/bronze bushings, new case 0.002in. 0.003in.