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fuel level switch lengths

 
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Gammaboy



Joined: 25 Feb 2016
Posts: 184
Location: Brisbane, Australia

PostPosted: Sat Jun 01, 2019 1:10 am    Post subject: fuel level switch lengths Reply with quote

Just wanted to get an idea of the different switch lengths for the Paioli float switches, I may have found a more reliable replacement, the big trick will be working out which lengths suit which bikes... Currently looking like it will be a bolt in fitment with minor opening out of the hole in the tank...
I guess the length from the mounting face to the highest point of the float will be a reasonable indicator. Also any comments regarding if it comes on too early or too late would be great.
Thanks!
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Gammaboy



Joined: 25 Feb 2016
Posts: 184
Location: Brisbane, Australia

PostPosted: Sat Jun 01, 2019 1:40 am    Post subject: Reply with quote

Thanks to Brian, looks like the SB6 one is 55mm from mounting face to to of float.
I believe pretty much everything else is longer?
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brian



Joined: 22 Aug 2011
Posts: 3241
Location: Australia

PostPosted: Sun Jun 02, 2019 12:30 am    Post subject: Reply with quote

I measured the DB4 fuel switch length one time when I had it out too, Iíll have to see if I can find where I wrote it down Shocked
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Current motorcycles - '99 Bimota DB4 #104, '96 Bimota SB6 #1165, Ď94 Bimota DB2 J #652, '99 Bimota DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, Ď94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, Ď61 BSA A10 650
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Gammaboy



Joined: 25 Feb 2016
Posts: 184
Location: Brisbane, Australia

PostPosted: Mon Jun 03, 2019 11:51 pm    Post subject: Reply with quote

OK, so one of the options looks like it'll switch on at about 55mm fuel level from the mounting face, so at a guess, about 10-15mm higher from the mounting face... there are two longer options (I'll have some measurements for the shorter of the two today or tomorrow hopefully), and a shorter one that looks like it'll switch at about 40mm... hole in the tank will need to be opened out to a 23mmx13mm oval, and that's it. Swap out the connector, make sure it's a 5w bulb in the dash, and away we go.

So, can anyone tell me lengths for YBs/DBs etc so I can match them up with what easily available sensors will do the job?
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Gammaboy



Joined: 25 Feb 2016
Posts: 184
Location: Brisbane, Australia

PostPosted: Wed Jun 05, 2019 12:35 pm    Post subject: Reply with quote

So looks like the fuel level switch that was going to be close to a bolt in is a no go, one of the bolt spacing references I'd found was wrong, but a bigger problem was that the amount the main hole would have to be opened up would mean grinding all the way to the brass inserts.
Bummer.
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brian



Joined: 22 Aug 2011
Posts: 3241
Location: Australia

PostPosted: Thu Jun 06, 2019 10:21 am    Post subject: Reply with quote

Hmm thatís a shame mate, it was looking so promising too.
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Current motorcycles - '99 Bimota DB4 #104, '96 Bimota SB6 #1165, Ď94 Bimota DB2 J #652, '99 Bimota DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, Ď94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, Ď61 BSA A10 650
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Gammaboy



Joined: 25 Feb 2016
Posts: 184
Location: Brisbane, Australia

PostPosted: Fri Jun 07, 2019 3:40 am    Post subject: Reply with quote

brian wrote:
Hmm thatís a shame mate, it was looking so promising too.

The Plan B (which was the original plan before I found the Yamaha sensors) will definitely work though.
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