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Messages - mcolburn

#1
Penton Talk / tracking down an air leak
July 12, 2004, 10:44:06 PM
I suppose I could try a different oil than I am currently using.  Right now,  I have been using Opti 2.  I will have to check, but I don't think it is a synthetic.  What brand of oil and ratio are you using Travis?
#2
Penton Talk / tracking down an air leak
July 10, 2004, 04:08:19 PM
No Thomas, I don't mind at all.  Thanks for the insight.   I  read your  post awhile back and wondered what finally fixed yours from the problem.  I didn't know yours would rev up and then die.  Mine just revs up and keeps going, and I think it would go till the tank is empty if it had the chance.  It has only done it twice .  The first time I pushed the kill switch and it didn't even act like it was going to stop, so I panicked fearing engine damage and just grabbed the plug wire.  I  can assure you that my magneto works real well,  Ouch!  Now I have a small string attached just in case it acts up.  I am going to replace the slide as it does look worn.  My air screw and idle adjustment screw on this bing 84 do not respond much if  at all.  It takes large adjustments to make a difference.  The only way I can get it to idle / run is with the choke approx. half way open.
#3
Penton Talk / tracking down an air leak
July 10, 2004, 12:52:43 PM
I appreciate the advice Larry.  I will try the soap trick as soon as I can.   Matt
#4
Penton Talk / tracking down an air leak
July 10, 2004, 10:34:54 AM
Hello,  I am new to this list , although I have been reading your posts for sometime now.  I have wanted a Penton for a long time and reading all your posts just made it worse.  My father used to have a green (sachs)125 that he rode in the Flint Hills and Chadwick enduros back in the early 70's. He rode for fun, and said you were lucky to finish, let alone place.   Even though I remember him coming home looking all banged up,  the bike looked great.  He eventually sold it and quit riding , but I knew eventually I would buy one  as he said it was one of the best bikes he ever had .  Finally, I  bought a 73 Jackpiner recently  from the original owner and it is close to stock.  Since then, I have rebuilt the forks , replaced tires, cleaned and rebuilt carb and air filter , and changed fluids and plug.  This bike has nice compression and starts on first or second kick, but it will run a bit and eventually rev to the moon as I have seen some others on this list describe.  I replaced the mag side seal, even though it wasn't seeping .  I am going to retorque the head once I warm the bike back up.  There is an oil seep behind the sprocket, is there a seal there that could suck air?  The only other oil seep is where the clutch fork is attached to the mag side case.  Someone has even gone as far as putting clear RTV around it.  I don't know if these are of any significance, but  I don't know where else to check.  My slide on the carb is a little worn, but I don't think that would be my problem.  It doesn't stick or anything and everything in my carb is in correct order.  I am worried there may be a seal or seals on the primary side that need tending to , but  that area looks like a nightmare to get into.  Any ideas where to look?  Thanks, Matt