Webra T4-60 : Man, I hate a dirty engine!
08-12-2011, 03:46 PM
#77
RE: Webra T4-60 : Man, I hate a dirty engine!
I do not remember the cam belt getting oily on my T4-80 I had in the past. So then they must have done something clever then to keep the oil off the belt.
MetallicaJunkie,
Yes normally oil in the bearings it is a good thing, but on the engines with a drive belt for the overhead valves or camshafts, you really do not want oil getting on the drive belt. It tends to cause it to deteriorate sooner rather than later.
MetallicaJunkie,
Yes normally oil in the bearings it is a good thing, but on the engines with a drive belt for the overhead valves or camshafts, you really do not want oil getting on the drive belt. It tends to cause it to deteriorate sooner rather than later.
08-12-2011, 03:53 PM
#78
RE: Webra T4-60 : Man, I hate a dirty engine!
It depends on the rubber compound. If it is made with a compatible compound it will never be a problem.
Webra must have expected it though, because the crankcase drain nipple is in the belt compartment. And the engine came with a sealed rear main bearing.
Webra must have expected it though, because the crankcase drain nipple is in the belt compartment. And the engine came with a sealed rear main bearing.
08-12-2011, 10:08 PM
#82
RE: Webra T4-60 : Man, I hate a dirty engine!
ORIGINAL: Kmot
Earl, did your 80 not have a drain nipple in that area?
Earl, did your 80 not have a drain nipple in that area?
Tried with new bearing with rubber sealing, same problem...
Nice to see the engine woke up from a tired engine to a fresh engine
Wich fuel are you using in the engine?
I am using the fuel who has 9% castor oil in 9% syntetic oil + 10% nitromethan (Model Technics Spesial 4 stroke 10) to be sure the Aspin valve is well lubricated and gas tight by castor oil.
08-13-2011, 04:02 AM
#83
RE: Webra T4-60 : Man, I hate a dirty engine!
ORIGINAL: Kmot
Earl, did your 80 not have a drain nipple in that area?
Earl, did your 80 not have a drain nipple in that area?
Not that I remember, the crankcase vent was off the backplate. I suppose there may have been some oil oozing through, but I do not remember ever noticing it.
08-13-2011, 07:55 AM
#84
RE: Webra T4-60 : Man, I hate a dirty engine!
Thanks Jens.
The fuel I used is Powermaster Sport 15%. It has an 18% oil content that is a mixture of synthetic and castor oils. I use this fuel most of the time, on all of my engines. I do have some FAI fuel with added castor oil so it has about a 25% oil content and I use it on engines that need to have a lot of castor, or some of my engines that were specifically designed to run on zero nitromethane.
The fuel I used is Powermaster Sport 15%. It has an 18% oil content that is a mixture of synthetic and castor oils. I use this fuel most of the time, on all of my engines. I do have some FAI fuel with added castor oil so it has about a 25% oil content and I use it on engines that need to have a lot of castor, or some of my engines that were specifically designed to run on zero nitromethane.
