The compression ratio for the 1979 Yamaha 340 Enticer snowmobile is 6.9:1. This ratio indicates the relationship between the cylinder's total volume when the piston is at the bottom of its stroke compared to the volume when the piston is at the top. This compression helps optimize engine performance and fuel efficiency.
they have oil injection. but if your are not using it, 40:1 is a good ratio.
11.2to1
I believe Yamaha came out with oil injection. You do not mix the oil with the gasoline - the oil is in its own reservoir and mixes automatically.
fuel line routing on 1979 Yamaha xs1100
The 1979 Lincoln Mark V features a compression ratio of 8.0:1 for its standard engine, which is a 400 cubic inch (6.6 L) V8. This engine was designed to balance performance with fuel efficiency during an era of tightening emissions regulations. The Mark V also offered a 460 cubic inch (7.5 L) V8 engine option, which had a similar compression ratio. Overall, these specifications contributed to the vehicle's smooth and powerful performance characteristic of luxury cars of that time.
1979
the motor 2x8-000880 is a 1979 IT 400 Yamaha
95 hp
$2300
.032
2.0l
1979 Yamaha Motor Scooter