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Engine & Transmission / Re: TCI ignition kit? Anyone seen/tried this?
« Last post by oly507 on Today at 01:06:00 PM »
It "looks" the same as one I purchased from a company in Belgium.  The one problem I found was the coils will not mound in the stock location.  I had to build my own mounting brackets and weld to the frame.  Since my "73 is a long time project, I have not been able to test the one I bought.
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Fuel System / Re: Tick over speed
« Last post by dailydose1 on February 24, 2018, 05:00:03 PM »
Cant get it to run you mean it dies at under 3000 rpm or it wont start with idle lower than that?
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Engine & Transmission / Re: Oil filter adapter idea
« Last post by dailydose1 on February 24, 2018, 04:49:09 PM »
I messaged brad to see if I could get the design. still waiting to hear back from him. If its mean designing it myself it might be a little bit. I am still slowly chugging on it though
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Engine & Transmission / Re: Oil filter adapter idea
« Last post by Rufus on February 24, 2018, 04:46:48 PM »
Hi, I'm curious, when you can let me know, thank you
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Engine & Transmission / 14411-216-000 Cam chain link substitute?
« Last post by dailydose1 on February 24, 2018, 04:34:38 PM »
Any know if this link 14411-216-000 is a usable substitute for a cam chain joining link?
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Engine & Transmission / Re: Clutch no tension?....VIDEO
« Last post by dailydose1 on February 24, 2018, 03:25:01 PM »
bump
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General Discussion / Re: 73 TX500 Speedo/tachometer ratio?
« Last post by dailydose1 on February 23, 2018, 08:54:54 PM »
Any luck finding any 3:1 tach?
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Engine & Transmission / Clutch no tension?....VIDEO
« Last post by dailydose1 on February 23, 2018, 01:57:35 PM »
I have seen other posts and tried swapping around the clutch actuator mechanism but it doesn't seem to help. Only thing I could possibly thing of is the bearing feel out possibly but I could have sworn I saw it in there. Any help appreciated

video link:

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General Discussion / Re: 73 TX500 Speedo/tachometer ratio?
« Last post by CrouchyUK on February 21, 2018, 06:19:51 PM »
No, I think we are reasonably sure that the C, D and E models used a 3.038:1 tacho.  But the earlier bikes had a slower oil pump, which is the same shaft as the tacho drive.  As per the link I gave- I tested a XS500B way back by rotating the engine a few times and measuring the output.  I got 4.10:1.

It will be interesting to see dailydose1 try his various ratios, as even if not correct it will check my own calculations.  I think the 5:1 comes from many other Yamaha models of the era- certainly the XS750 was 5:1 as were later Xs650's.....

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General Discussion / Re: 73 TX500 Speedo/tachometer ratio?
« Last post by bradcj85 on February 21, 2018, 02:38:14 PM »
Thanks guys.

@crouchy- the link you provided is talking to later TX models, more specifically the 78. As mine is a '73, is the ratio still 3.038?
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