Recent Posts

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General GS500 Discussion / Re: Starting bike
« Last post by Watcher on Today at 03:12:18 AM »
25 min @ 3.5k rpm is plenty to charge the battery back up.
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General GS500 Discussion / Re: Starting bike
« Last post by Jimbob on December 15, 2017, 09:37:12 PM »
My ride is about 25 mins each way, I only try starting for a few seconds then I’ll stop wait a couple of seconds then try again. What’s the best way to test if something is draining the battery? Also when I ride my cruising rpm’s is about 3.5k is this not high enough to be charging the battery?
3
Tard Farm / Re: Last Post Wins - V3
« Last post by yamahonkawazuki on December 15, 2017, 08:21:32 PM »
unofficially that corner is called oh sh*t
Aaron
4
General GS500 Discussion / Re: lower\upper crank case swap
« Last post by cbrfxr67 on December 15, 2017, 07:51:11 PM »
cheese grade bolts - cracks me up everytime

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Meet and Greet / Re: Hi there!
« Last post by cbrfxr67 on December 15, 2017, 07:49:04 PM »
INteresting info!  That captcha will go away after you've posted a few more posts! 
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Tard Farm / Re: Last Post Wins - V3
« Last post by peteGS on December 15, 2017, 07:37:39 PM »
I believe us amateurs need to be experts in that maneuver  :thumb:
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Meet and Greet / Re: Hi there!
« Last post by krol on December 15, 2017, 05:55:55 PM »
Classic 500 class requires to have all parts that are “period correct”, it means that were accessible at that time. Of course we can use new parts as long as they are made using the same technologies as in ‘70. So let’s say new brake pads are ok, except ones that were invented after ‘70 and uses materials or shapes that weren’t available in70.

The only exception is ignition system which can be fully modern but limited to 2-dimensional timing/advance map. (X revs, Y advancing). Just simple electronics modules. It is mostly because of parts availability and reliability as well.

Although these are rules, that should be obeyed, newcomers are treated slightly lighter, hence handlebars you see in the pic are from modern 125, and that’s “ok” to just start, but in the future should be replaced to ones that are correct.

Mechanical parts may be replaced as long as they fit into the period.

A question: how do you read this captcha I’m asked to answer each time? And same for questions. It drives me nuts.
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General GS500 Discussion / Re: lower\upper crank case swap
« Last post by J_Walker on December 15, 2017, 05:40:22 PM »
right. so do i understand correctly i cant use my original big end bearings with the new crank case even though the crankshaft stays the same? Lets say i will get both upper and lower cases.

Not worried about this job being overly complicated as have had my engine apart already for gearbox swap. The cost of it.. upper and lower end approx  £100 plus a gasket set. if it is going to be big end bearings as well.. And to do it only to get the engine mount sorted :( Any ideas how to get the front engine mount fixed without all this ?

Cheers,
Lauri

Rachet straps hold everything....

Right, okay there's code stamped on the rear of your engine, says A or B, there will be code stamped on your crankshaft, it says A, B, or C. you compare these two to their respective locations. to get the right sized bearing. so saying on the rear of the engine reads A, and the one on the crankshaft says C. you need a "brown" bearing. so you look and it gives you a part number, (12229-01 DOO-OCO) would be your Brown bearing for that set. its all in the manual.

So here's what you can re-use.
The Two main ball bearings, "big bearings"
The Connecting rod bearings.

The rest of the babbit bearings have to be replaced both that contact the crankshaft and the balancer shaft. A total of 12, Remember when you place an order for the bearings themselves, they don't come in sets [stupid I KNOW, WHO NEEDS ONE HALF OF A BEARING?!] but replacing all 12 bearing shells. is $105.36 USD not cheap...
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Tard Farm / Re: Last Post Wins - V3
« Last post by yamahonkawazuki on December 15, 2017, 05:27:49 PM »
and perform a maneuver called a sphincter clencher lol.
Aaron
10
General GS500 Discussion / Re: lower\upper crank case swap
« Last post by Sahtlinurk on December 15, 2017, 05:20:28 PM »
right. so do i understand correctly i cant use my original big end bearings with the new crank case even though the crankshaft stays the same? Lets say i will get both upper and lower cases.

Not worried about this job being overly complicated as have had my engine apart already for gearbox swap. The cost of it.. upper and lower end approx  £100 plus a gasket set. if it is going to be big end bearings as well.. And to do it only to get the engine mount sorted :( Any ideas how to get the front engine mount fixed without all this ?

Cheers,
Lauri









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