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1980 GS450 "Sport" - Resto / Mod

  • Thread starter Thread starter Big Rich
  • Start date Start date
Update time again..... painted an 83 Kat fairing from Airtech to match the GS:

 


Fairing installed with an ADVMonster led light (model 44). That's pretty much all the pics I have for now.
 
Looking good as always Rich, but will be nice to see a full bike shot with the fairing on...
 
pete said:
Looking good as always Rich, but will be nice to see a full bike shot with the fairing on...
Click to expand...
+1

I'm having trouble finding a stock 450S fairing for my "E" and wouldn't mind seeing an alternative.
 
Well than, that's some perfect timing. It was 70? and sunny today, so I put about 150 miles on the bike...... and washed it afterwards.

 
Awesome Rich, she looks great!

I tell ya' those 17" wheels do suit the 450 very well indeed... definitely something to keep in the back of my mind for future options as well...
 
Cheers Pete! I was surprised at how easy the entire conversion was. Probably lends to the fact that the GS00 is based off the 450 though.

The wife took our son up to her mom's for the day, so there should be another update late tonight.
 
And looking forward to it as always Rich :)

I notice you've taken the saddle bag supports off too, would love to see how they go supporting them actually.

I still have in the back of my mind the urge to make a set of hard bags for mine for the commute...
 
Pete, have you been sneaking in my garage to check progress or something? :D

Here's the update:



I'll post some more pictures and details later - it's time for bed......
 
Hahaha not that I know of Rich... unless I've been sleep flying!

Those bags look the goods, keen to see some more detail especially the bracket side of things and how they attach...
 
Cornelius, Tyler Durden, Pete,...... just saying, it happens. Ha!

I had this all typed out, and my phone erased it. But here's the rack installed:



Pete, you have a pm incoming sometime tonight when I get a chance.
 
Cool, cheers Rich! That helps a bit... have replied to your PM...
 
Not much to show, but an update nonetheless :



These are the stock 450 cams - I replaced them with some GS500 cams for the added lift (and I'd assume more duration). I was checking my valve clearances and had them laying around so I figured "why not?". My valves were on the tight side, and now the intake valves are at .08mm and the exhaust are at .10mm.
 
Be very keen to know if there's any performance improvements Rich... very interested!

Any difference to timing or anything like that? Just a straight swap?

I have a feeling I need to replace the dodgy Athena head gasket at the next service or the service after, so my cam's will have to come out anyway...
 
According to my butt dyno...... just kidding. My valves were at the tight side of the clearance when I started this, so any gains that I feel could be chalked up to the new / proper clearances. I do have to admit, the bike has more pep in the upper rpm range though.

The good news: they are a straight swap. No timing changes or anything, just toss in the new cams. They even have the same pin count between the numbered arrows (#1 arrow pointing at the gasket surface, 18 pins between the #2 and #3 arrows).

If you can't find any GS500 cams when you do your head gasket, let me know. I have some GR650 cams that will detona ........I mean "wake up" your engine. Ha!
 
Hahaha ok that sounds cool! Waking up the top end... considering the 450 only really gets going over 6K RPM then that might be very cool indeed!

How much different are the 650 cam's?

Since my ride on Saturday where I rev'd the ring out of the little beast constantly, the weep seems to have slowed if not stopped, so I'm wondering if the new oil has sorted that out for me... may not need to do the head gasket so soon if at all now, but time will tell.

Either way, new cam's with a bit more spritely performance is definitely an interest! Especially if it's only the high RPM's because that won't compromise anything for the commute...

Edit: Hmmmm... $US51 shipped to me...

http://www.ebay.com.au/itm/04-05-06..._Parts_Accessories&hash=item5d4b293b13&_uhb=1
 
Last edited:
Hahaha don't worry I'm tempted! Although a bit strapped after the recent stator, R/R, starter motor, and tyre purchases... :rolleyes:
 
pete said:
Hahaha ok that sounds cool! Waking up the top end... considering the 450 only really gets going over 6K RPM then that might be very cool indeed!

How much different are the 650 cam's?
Click to expand...

According to the Twins wiki that Mekanix has......a good bit. The GS450 intake cam has .330" lift, exhaust cam has .320"......both GR650 cams are .364" lift. I wouldn't try it without a LOT more research, and a spare engine laying around "just in case".
 
Yeah I went back and looked through the Wiki... :eek:

Seems we don't have duration for the stock 450 cams... I'll have to check my factory repro manual to see if it's in there anywhere.

My 450 went onto 1 cylinder for about a minute on the commute to work again yesterday so I need to work out what the hell's going on there (again) before doing anything else... I really hope it's not yet another Dynatek module. What are the chances of that? I mean sheesh... but it could be coil or I could have pinched a wire putting the tank back on or anything...

Once I get that sorted I will probably look at picking up some GS500 cam's, I'm all for a little more pep up top without a large expenditure :D
 
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