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Why the half moons?

  • Thread starter Thread starter jrobert94
  • Start date Start date
J

jrobert94

Guest
Anyone know the purpose of the half moon cam end plugs? Other than obviously to fill the half moon shaped hole in the head ;) i mean why would it be designed like that in the first place? Seems like it's just more production expense and unnecessary parts expense (however minimal)
 
That's how they bore the cam journals. Welding them up afterwards would be a lot more expensive, as would inventing a big drill that goes around corners.
 
Class is now in session...

School_for_the_Mechanically_Declined.jpg
 
jrobert94 said:
Mechanically declined? That's a bit harsh don't ya think?
Click to expand...

Sorry man, just a little tease is all.

Oh, and while we are conversing, how about telling me about your bikes exhaust?
 
It's alright. I just always thought the cam journals were end-milled, from the top of the head, not drilled from the side.
Strong opinions on exhaust huh? I have the stock exhaust on my bike. And the stock airbox too, since those questions always seem to come in quick succession lol.
My exhaust is a little ratty-looking though and i was thinking i might replace it soon. You gonna bite my head off if i ask your opinions on aftetmarket exhaust? With muffler(s) of course.
 
jrobert94 said:
It's alright. I just always thought the cam journals were end-milled, from the top of the head, not drilled from the side.
Strong opinions on exhaust huh? I have the stock exhaust on my bike. And the stock airbox too, since those questions always seem to come in quick succession lol.
My exhaust is a little ratty-looking though and i was thinking i might replace it soon. You gonna bite my head off if i ask your opinions on aftetmarket exhaust? With muffler(s) of course.
Click to expand...

Ed (and Tom, and I, and many others on this site) are completely cool with an aftermarket exhaust on a motorcycle, so long as it still has the baffles and packing. I've got a couple bikes with them myself.

It's the open exhaust guys (or, worse yet, the jokers who cut the four exhaust pipes off at the junction under the bike) who draw our ire. One, because they then complain that the bike doesn't run right. Two, because the bike is louder than Hell and disturbs everyone within a quarter mile of the farting, belching beast that they just ruined.
 
If someone is running an open exhaust on their bike I put them on "ignore". Interestingly, I've got a fair number of guys on ignore but all but maybe one guy doesn't post here hardly at all so it's kind of wasted effort on my part. The culture around here is one of responsibility so the loud exhaust guys don't last long here it seems.

Delkevic seems like a good value. I was considering one for my KZ750 but after seeing some photos where the pipe for that application was hanging way under the sump I decided to pass. I hate that. A proper pipe will tuck up tight under the engine not hang down (my opinion). Of course this is just my pet peeve and may not be yours. Check them out close before purchase is all.
 
Jrober94, think you've just established yourself as a 'good egg' and a keeper on here.
 
Good comments.
I had never even though of why there were half moons before. Lol. It makes perfect sense from the machining point of view.
I dislike the sound of a hacked off exhaust too. It just sounds like yit.
I do however love the sound of my vintage Kerker on my 1100E. It's loud but its a true exhaust sound. Not just disgusting, "look at how bad a$$" I am noise.
 
jrobert94 said:
Oh good. I've got a friend with a 79 gs1000e with a yoshimura pipe with open header and i agree that is just too much. What do you think of Delkevic exhaust? http://www.delkevic.us/index.php?route=product/product&path=1_11806_11979&product_id=3497
That's within my price range and looks a hell of a lot better than what i have now. It's for a 1000E but that will fit my 1980 1000G right? Just the rear bracket won't line up as i understand.
Click to expand...

How about a stock exhaust system? The 1100cc type should fit your '80 just fine... but the pros here can confirm.

https://seattle.craigslist.org/tac/mpo/5443842625.html

[h=2]1982 GS1100 G OEM Exhaust - $150 (jblm) [/h]
00G0G_kflwGvwiT4t_600x450.jpg






condition: good
make / manufacturer: Suzuki



Selling the stock exhaust off of my 1982 Suzuki GS1100G. May fit GS1000 and other years or models of GS1100. Only 13k miles on system and no rust. Bike has been in heated storage for the past 15 years.
 
Nessism - agreed but this guy has been good to me and he's my neighbor anyway so ignore is not really an option lol. And yeah i do want to see it on the bike from more angles before i buy. But the E exhaust WILL fit my G, correct?
Frank - thanks for the offer, i'll definitely consider it. I was leaning towards a 4 into 1 system though. Out of curiosity, does that cross pipe serve any real purpose? Mine doesn't have that.
 
jrobert94 said:
Nessism - agreed but this guy has been good to me and he's my neighbor anyway so ignore is not really an option lol. And yeah i do want to see it on the bike from more angles before i buy. But the E exhaust WILL fit my G, correct?
Frank - thanks for the offer, i'll definitely consider it. I was leaning towards a 4 into 1 system though. Out of curiosity, does that cross pipe serve any real purpose? Mine doesn't have that.
Click to expand...

Sorry for the confusion. "Ignore" is a feature of the software here. Adding a person to your Ignore List means their posts here on the forum will be blanked out so you don't have to see them.
 
Ah i see. Still getting the hang of the ins and outs of the forum thing
 
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