probably the rings are stuck or either it needs new ones or the piston is bad probably need to have the cylinder bored and the motor rebuilt it will cost about $170
The 1980 Suzuki key code switch is located near the ignition switch. This is the common location for most older models.
try the forum pages at atvconnection.com
Nova Brown Metallic
10W 40
try the suzuki part # 09930-34970 it is a 40mm female puller but i do not know the thred
The stock compression ratio for a Suzuki QUV 620 is 10:3:1. Special spark plugs can increase that compression and the horsepower.
24 clicks of compression
buy a manual
Compression ratio is 8.6:1 Compression test, wet, should put you between, I think, 120 and 170.
Download the FREE Suzuki Samurai Shop Manual from http://www.suzukiinfo.com/ or visit zukikrawlers.com zn
should be in the 175 to 200 psi
if it is white smoke engine need to rebuilt.
your answer is not easy. do you want ratio or compression pressure. I would guess you are talking pressure, which on a stock engine is around 155 lbs.
Suzuki is a manufacturer of motorcycles, motocross bikes and 4 wheelers. Suzuki started making 4 wheelers in 1983 with the introduction of the Suzuki LT125.
Mine was getting 100. But i dont know how good that is. mines 90
i don,t know but mine is the same it takes a quart after 600 km. i,m sending it back to where i got it rebuilt
1986 in the US.