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Author Topic: '71 T500  (Read 2589 times)

Offline Hurco550

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Re: '71 T500
« Reply #30 on: May 25, 2017, 12:41:17 »
Great stuff in that post Hurco550. Have an HF about 10 minutes from here, so off I go.

Interested in your statement above about "upon inspection." How do I inspect them to know whether mine are also weak/stuck? Can get the banjo seals at Earl's on Gasoline Alley, so will likely follow your lead on replacing those too.

Thanks man. I simply watched the oil lines after i fired it up and saw air going back from the banjo fittings on the case (aka the wrong way)

An easy test to see if the check valves are stuck would be to block one end of the banjo fittings where it bolts to the case and pump oil back towards the pump from the other fitting. Oil should not go past the union where the check valve is. If it does, continue to flush the lines with alcohol till they are goop free and start to seat again. Continue testing til the desired results are achieved.

I bought those seals through, mc-master carr. If you can get them locally I guarantee that they will be cheaper lol

Once it is time to fire it up, it is a good idea to run some pre mix in the tank until everthing is thoroughly purged out in the auto lube system. It will be a bit rich with oil, but to much oil is the lesser of two evils than not enough.

Also, remember that the oil pump doesn't move fluid very rapidly, especially at idle, so don't panic if you don't see whatever little air bubbles you have left moving through the system in a hurry.

there is a procedure to 'calibrate" your pump to the throttle opening as well. There should be a threaded cap over the slide tube on one carb. upon removal, you open the cap to view the slide. you open the slide til you can see a mark on the slide and at that position the arm on the oil pump should be lined up at a mark on the pump itself..

Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer

Offline Hurco550

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Re: '71 T500
« Reply #31 on: May 25, 2017, 12:46:27 »
I understand it is getting difficult to find the crankseals. Did you have any trouble getting it rebuilt?

seals aren't hard to find for these really, this is just an ebay set for the whole motor, but individuals can be had as well from numerous parts houses

http://www.ebay.com/itm/Suzuki-T500-Oil-Seal-Kit-Engine-Titan-1968-1969-1970-1971-1972-1973-1974-1975-/382073965595?hash=item58f5620c1b:g:gpEAAOSw5VFWHauO&vxp=mtr
Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer

Offline oldrookie

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Re: '71 T500
« Reply #32 on: May 25, 2017, 13:43:06 »
Thank you. Again, great information. Appreciate your willingness to help a newb.

Offline Hurco550

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Re: '71 T500
« Reply #33 on: May 25, 2017, 13:46:28 »
Thank you. Again, great information. Appreciate your willingness to help a newb.

Hey no worries man, glad I can be of help. That's what makes this forum great, people helping each other. And I also really wanna see this thing back on the road =)
Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer

Offline oldrookie

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Re: '71 T500
« Reply #34 on: May 25, 2017, 18:09:50 »
Hey no worries man, glad I can be of help. That's what makes this forum great, people helping each other. And I also really wanna see this thing back on the road =)

I hope you are a patient man.  ;D

Offline Hurco550

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Re: '71 T500
« Reply #35 on: May 25, 2017, 18:20:18 »
I hope you are a patient man.  ;D

Ive got all the time in the world my friend =)
Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer

Offline johnu

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Re: '71 T500
« Reply #36 on: May 26, 2017, 16:35:04 »
I sent my crank to Bill Bune to do the strip and seal install.  i had trouble getting one of the seals but i can remember which one.

Offline Sonreir

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Re: '71 T500
« Reply #37 on: May 26, 2017, 16:40:56 »
I sent my crank to Bill Bune to do the strip and seal install.  i had trouble getting one of the seals but i can remember which one.

What was the cost on that, if you don't mind me asking?
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Offline Hurco550

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Re: '71 T500
« Reply #38 on: May 26, 2017, 17:59:12 »
I sent my crank to Bill Bune to do the strip and seal install.  i had trouble getting one of the seals but i can remember which one.
Bill bune has a great reputation for sure. I've never heard much bad about his work

Sent from my SM-G900V using Tapatalk

Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer

Offline johnu

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Re: '71 T500
« Reply #39 on: May 30, 2017, 10:56:28 »
What was the cost on that, if you don't mind me asking?
If I remember right it was $165