how does the wrist pin get oiled on a blaster? i have a 1989 that i pulled the head off because no compression. the rings are shot and the piston was moving to far in the jug. so i removed the jug and in spected it no real problems there it will need to be boared over an new piston and rings. the problem is that it looks like the wristpin hasnt seen oil in years piston as well both were dry underneath. i was wondering how you check the oil flow or what is the oil flow path? can air be blown through the system? does the piston have to be sealed to suck oil on the up stroke? how does the oil pump function with the oil injection removed? the 2 lines coming out of the case are plugged and 1 that is on the carb. arnt you suppose to install something in the case to elimminate the oil injection? ive seen the ventos blockoff kit i dont know if the previouse owner has done this or not. if anyone knows were i should start it would be great. i am a 4stroke guy and the only other 2 strokes i own are a leaf blower, chain saw, and weed eather. i just need to make sure the motor is getting proper lube before i rebuild the topend.
no oil at wrist pin
- Thread starter thapioneer
- Start date
the oil comes in with the fuel, that is the only lubrication.
sounds scary huh?
but it works fine. if its been sitting a long time the oil has probably dropped off of the bearings and such, otherwise its possible that the oil injection failed if its still hooked up. the oil injection actually injects the oil into the carb, and then it enters with the fuel
sounds scary huh?
but it works fine. if its been sitting a long time the oil has probably dropped off of the bearings and such, otherwise its possible that the oil injection failed if its still hooked up. the oil injection actually injects the oil into the carb, and then it enters with the fuel
no it had no traces after trying to keep it running, it would run like sh*t sputter backfire and die. it had maybe 2psi comp.
yeah the injection is removed. how do you make sure it was removed properly. shouldnt the piston get splashed with oil or somthing?
by the way ur blaster looks sick in ur pic. mine is a vintage perfect shape 1989. just oil injection removed.
When you put your new top end together liberally lube that wrist pin bearing your piston and a bit in your cylinder and good ol 32:1 will do the rest. I:I
have faith in the 2stroke grasshopper lol I:I do what brando said, mix 32-1 and let the blaster do the rest man.
think of it this way , there is a constant fuel/oil bath inside the crank/combustion chamber , as the intake ports open , look where they are , they are in the skirt all that slippery 2 stroke mix is shooting onto the crank and piston and bearings , if it didn't the engine would last say , 9 seconds . The Fuel/Oil mixture comes from the mainjet in the carb enters through the reed valve and into the crank/combustion chamber . Thats it , been that way since forever and works great .
so does the fuel entering the carb into the motor have anything to do with the oil in the case? how do they not mix togeather? is the cylinder fuel oil mix stay seperate from the oil you put in the case?
yes they are completely seprate. at least they should be. the combustion and crank chamber are sealed sepratley from the trans.
just trying to be 100% sure there ist an oiling issue with the piston. it just concerned me pulling it apart and not seeng oil on the bottom inside of the piston or on the wrist pin bearing.
what would be the best oil to putin the case. how does the oil block off kit work. will the motor still work and run fine if it just has the 2 lines on the case an the 1 on the carb sealed.
I use Honda hp1 case oil a good synthetic is best I think but everyone has their own opinions on oil for premix I use super m synthetic but again veryone has their own preferences and yes plug the lines And it will run great
