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JRH
Joined: 21 Jan 2013 Posts: 223 Location: West Mids/North East
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Posted: Fri Dec 28, 2018 4:24 pm Post subject: No Spark |
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Just rebuilt my Vdue motor after my self imposed mishap......and ive got no spark!!!!
12v at the coils, turning over quick, but no spark at either plug.
Was running perfectly before........Any ideas?
Cheers. |
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2bims
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Joined: 03 Apr 2010 Posts: 7289
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Posted: Fri Dec 28, 2018 6:01 pm Post subject: |
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What was the mishap?? The reg recs go easily on these bikes...that could drop your current at the caps...test reg rec first |
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trev45
Joined: 15 Jun 2011 Posts: 449 Location: Sydney Australia
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Posted: Fri Dec 28, 2018 11:32 pm Post subject: |
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KISS = keep it simple stupid
Carb or EFI
It will maybe be a silly thing like
1 - neutral light on ?
2 - pick up got pulse ?
3 - eletric plugs on the right way ?
4 - checked fuses ?
5 - to cold and wants to stay home ? hahahhahaa
just some ideas
Cheers Trev |
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JRH
Joined: 21 Jan 2013 Posts: 223 Location: West Mids/North East
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Posted: Mon Feb 18, 2019 9:02 pm Post subject: |
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To close this out, it was a bad connection on the crank sensor....
It sits inside the LH frame rail.
Sorted. |
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2bims
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Joined: 03 Apr 2010 Posts: 7289
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Posted: Mon Feb 18, 2019 10:41 pm Post subject: |
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Cheers JRH....I'll check this out on mine as its due back on the road this year....Is it an earth tag to frame or on the motor itself?
How did your high temp lacquer stand up after you polished up your jolly moto mild steel pipes? Has it kept corrosion at bay and stayed intact?....Thats on my list this year also...I have some 800 degree Celsius lacquer that sprays nice...but needs to be baked at 160 Celsius for 30-60 mins to harden....More kitchen time ahead "baking parts"... |
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brian
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Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Mon Feb 18, 2019 11:51 pm Post subject: |
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2bims wrote: |
....More kitchen time ahead "baking parts"... |
Time for that French maids costume complete with ‘b’ logo on the front to come out of the closet again? _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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2bims
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Joined: 03 Apr 2010 Posts: 7289
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Posted: Tue Feb 19, 2019 12:30 am Post subject: |
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You know me well Brian....its hardly ever in the closet... |
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brian
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Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Tue Feb 19, 2019 11:05 am Post subject: |
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2bims wrote: |
You know me well Brian....its hardly ever in the closet... |
![Shocked](images/smiles/icon_eek.gif) _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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pkay
Joined: 16 Dec 2016 Posts: 150 Location: Brizvegas
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Posted: Wed Feb 20, 2019 2:04 am Post subject: |
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Geez I'm glad I read this thread - was going so well until...... _________________ pkay
SB6, YB7 and many other assorted Euro and Jap bikes and one Triumph....... |
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JRH
Joined: 21 Jan 2013 Posts: 223 Location: West Mids/North East
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Posted: Thu Sep 26, 2019 11:47 am Post subject: |
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Following on from this, I have another Vdue FE with a non start problem.
This bike has been jet washed.........
Now it will not crank of the button, but also has no spark.
I have swapped the Pegaso dash with my other bike, and it is not the dash.
The bike seems to be waiting for a missing signal to allow cranking and spark.
I have checked everything......now a bit fed up!!!!!!!
Interestingly, this bike (b4 my time) has had the neutral light shorted out, so its perm on..........
Any ideas ?
Thanks,
John. |
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trev45
Joined: 15 Jun 2011 Posts: 449 Location: Sydney Australia
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Posted: Thu Sep 26, 2019 3:01 pm Post subject: |
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Had one years ago , the big plug that goes into the Pegaso dash had a wire come out for the neutral light bike would not start. Pull the two big plugs off and check the connectors are all the same hight etc off , memory it was the left plug when siting on the bike
Cheers Trev |
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2bims
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Joined: 03 Apr 2010 Posts: 7289
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Posted: Thu Sep 26, 2019 7:51 pm Post subject: |
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You know what the Vdues are like for starting...Has to be in neutral...and with the neutral light on.....as it can be in neutral without the light being on...and it can be in gear but the light is on and it has to be both....light on and in neutral...so I'd start by sorting the neutral light out/sender......What it is connecting the 2 I'll never know....but they dont crank without it being on and in neutral......Also swap over the recalcitrant starter button switch....you know...the thing that you press and hold for 5 seconds before it makes its mind up to start.....that should be an easy enough item to swap over.....they can short out on the start button....and its AWOL after that....I'm currently having all the bad earths sorted on mine going back to battery......theres one main earth off the battery that goes to the alloy plate holding the carb rubbers on....into an alloy engine....and all other earths are supposed to get back to that some how eventually....Have you tried bump starting it in 2nd gear?...even with a bad sprag clutch assembly they'll bump start.... |
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2bims
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Joined: 03 Apr 2010 Posts: 7289
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Posted: Thu Sep 26, 2019 7:54 pm Post subject: |
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Other than the above.....try a battery direct onto the starter motor assembly..you can buy rebuild kits for the Honda CBR600 starter motor quite easily or remove it and check the armature and bushes etc etc...as they can be stripped down..... |
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2bims
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Joined: 03 Apr 2010 Posts: 7289
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JRH
Joined: 21 Jan 2013 Posts: 223 Location: West Mids/North East
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Posted: Thu Sep 26, 2019 9:43 pm Post subject: |
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It cranks if I short out the starter relay. Even put a new one on.
The Pegaso dash has to send a signal to allow spark, but my bike starts with the no starters dash.. .. .....so maybe Trevs idea is a new try.
I have had the bike completely apart with the benifit of another alongside.....
One weird thing is that the bad bike rotates the PVs at switch off......mine does it at switch on! |
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