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Post by drawkward on Jan 27, 2010 14:20:33 GMT -5
I used the Red Hi-Temp (Best one I could find) for my cylinder's base gasket. I broke mine whilst disassembling to get measurements. I also decided to put some on my exhaust joints, and I was thinking about a little on my intake (above the reeds, maybe some under). I have some other stuff that isn't as strong for the intake side. Just to supplement the original gaskets and get a perfect vacuum.
Yay or nay?
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Post by 90GTVert on Jan 28, 2010 8:15:22 GMT -5
You can try it. A lot of gasket makers won't hold up to gasoline for very long though. I usually use copper RTV for exhaust gaskets. Permatex does make 2 different gasket makers for applications in contact with gasoline. One will harden and the other will remain pliable.  |
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Post by drawkward on Jan 28, 2010 11:53:54 GMT -5
I used Pro Seal Silicone gasket maker. Says right on it not intended for exposure to gasoline. All I had in the garage to work with. Wonder how long it will last... And what the symptoms will be.
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Post by 90GTVert on Jan 28, 2010 14:05:30 GMT -5
If you are just using it to supplement gaskets that are in good shape, you may never have an issue. I've used copper or ultra black for base gaskets before without issue and neither says they're for use with gas.
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Post by drawkward on Jan 28, 2010 14:24:23 GMT -5
Nice. Got it up and running. Pretty stoked that I was able to take it apart down to pieces and put it back together and have it work. It seems to be running super rich now after the tear down. Cloud of smoke following me every where I go. Makes me think I might have cured a vacuum leak I didn't know about before.
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Post by 90GTVert on Jan 28, 2010 14:30:22 GMT -5
Could be that you fixed an issue or sometimes it smokes excessively just after you get it running if you use oil as an assembly lube.
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Post by drawkward on Jan 28, 2010 14:33:39 GMT -5
Oh yeah. Lot's of oil ;D - I was thinking that as well. Wonder how long it usually takes to burn off.
Side note - Some very very very small dust particles got on the lube and I went against my better judgement of cleaning and redoing the lubing on the cylinder. I'm talking VERY small particles though. Impossible to see if the lube wasn't there. Should I expect some damage?
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Post by 90GTVert on Jan 28, 2010 14:36:06 GMT -5
The excess shouldn't take long to burn off, like a trip or two around the block should clear it out of the cylinder and crankcase.
wouldn't worry about a couple of dust particles. It's impossible to assemble anything without dust unless you have access to some sterile environment or something. lol
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Post by drawkward on Jan 28, 2010 15:11:44 GMT -5
Okay haha first timer here, didn't wanna miss or mess up anything. It's burnt off now. I need to tune it again, think my screw is like 3 turns out or something like that. No smoke at all anymore. Wish I didn't have shit to do today.. So nice out. Just went out for a 30 minute ride, feels great. I missed the scoot while it was out of action  . If I can't go with the BBK I'm going to strip it down again and do a port match and a polish. Is this worth it's time in HP? |
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Post by shiftless on Jan 28, 2010 15:54:25 GMT -5
you ought to be ok on the intake, but....
I don't think the rtv will last long at the base without any gasket
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Post by 90GTVert on Jan 28, 2010 16:15:47 GMT -5
Port matching and polishing alone may not be worth stripping it down to you. That kinda depends how much you like working on the scoot. If you love tearing it down, sure it's worth it. If you don't enjoy tinkering, don't bother with it until you have it apart again. If you wanna port match the case to the cylinder I would suggest waiting till you have the cases split for some reason. You can do it and try to block off the crankcase with rags and such, just worries me that metal particles will get into the case and bearings. Metal, unlike dust, particles can definitely cause damage or premature wear and tear. If you decide to try that take every precaution you can to avoid metal in your crankcase. There's a little work you can do to the stock intake to smooth it out. You could read up on 2 stroke porting and decide whether you want to experiment by maybe raising or widening your exhaust port. I modified my exhaust port slightly on my 99cc and gained a few MPH and more top end power. Just don't go in there without knowing what you are doing or being willing to risk messing up a cylinder or piston. You might get away with changing ports on a 4T a good bit without serious side effects, but you won't drastically alter the ports on a 2T without seeing a big difference that can be really good or really bad.
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Post by drawkward on Jan 28, 2010 20:32:51 GMT -5
Good info. Thanks.
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