guzziriders.org - moto guzzi forum Homepage
Forum Home Forum Home > Technical > Big Block Tonti
  New Posts New Posts RSS Feed - V7 Sport Refurb
  FAQ FAQ  Forum Search   Events   Register Register  Login Login

V7 Sport Refurb

 Post Reply Post Reply Page  <12
Author
Message
Glawster View Drop Down
Senior Member
Senior Member


Joined: 14 Sep 2015
Location: Cheltenham
Status: Offline
Points: 267
Post Options Post Options   Thanks (0) Thanks(0)   Quote Glawster Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2017 at 12:53
A problem I've had intermittently on this bike is the starter solenoid clicking, but not engaging with the starter ring.  I had this down as a solenoid issue which probably required cleaning, but now I see the condition of the starter ring teeth I wonder if this is the problem.  I know the V7 Sport originally had a very lightweight starter motor which had a reputation for damaging the starter ring.  I think most people have replaced this with the later Bosch or Valeo starter.  Mine has a Bosch.  My questions are..
 - Is this typical Guzzi starter ring wear?
 - If not could this be the cause of the starter not engaging?
 - Can the starter ring be repaired / dressed back to take away the damage?
 - If not is the V7 Sport starter ring the same as later models or unique to this bike?

I was hoping not to strip the engine as it's running very well, but I guess this issue really needs attention.

DSC_3733 by Derek Wardell, on Flickr
1979 Guzzi T3 California
1973 Guzzi V7 Sport
2015 Triumph Tiger 800
Back to Top
v7john View Drop Down
Senior Member
Senior Member
Avatar

Joined: 14 May 2014
Location: West Wales, UK.
Status: Offline
Points: 587
Post Options Post Options   Thanks (1) Thanks(1)   Quote v7john Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2017 at 13:05
That looks like the sort of damage caused by the original type starter. Mine was in a similar state. I spent some time with a file to neaten them up and then made the change to the later pre-engaged Bosch type. However, I suspect the problem of non-engagement is more to do with the solenoid needing a clean up.
1972 V7Sport "The Racing Rhino".
1972 V7 700cc "The Fire Bike".

Read my blog https://racingrhino.wordpress.com/
Back to Top
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7322
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2017 at 14:22
Sounds like Glawster has already changed his starter motor too. But that damage might well have happened previously.
 
The problem with the click and not engaging is most likely an electrical problem. Low battery volts, or a poor connection. The switching feed to the solenoid is where the problem usually lies, and low volts at the end of that wire will give your problem. Look at the "click, no crank" topic in FAQ to see just how common that is on all the Guzzi range. Don't know offhand if you have a start relay as well as the solenoid.
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
IanB View Drop Down
Falcone
Falcone


Joined: 29 May 2014
Location: Hampshire
Status: Offline
Points: 95
Post Options Post Options   Thanks (1) Thanks(1)   Quote IanB Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2017 at 16:50
I'm not sure it's just the starter motor. I was interested to see on my Convert (with light flywheel and separate starter ring) that the chamfering to the ring teeth, which I assume to be to help the starter pinion engage, are actually on the wrong side of the teeth for the rotation of the engine. This looks the same. 

Guzzis...  Ermm
Back to Top
Glawster View Drop Down
Senior Member
Senior Member


Joined: 14 Sep 2015
Location: Cheltenham
Status: Offline
Points: 267
Post Options Post Options   Thanks (0) Thanks(0)   Quote Glawster Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2017 at 19:47
Thanks Guys.  I will look into the electrical supply and make the modification to the relay.  Also I'll see if I can lubricate the solenoid mechanism.  However, I do think it may be a starter ring issue as if I put it in gear and rock the bike back and forward it is then more likely to start.  Nobody expressed any horror at the photo of the starter ring so I'm assuming this is not out of the ordinary.  Maybe I can take it off and dress the teeth with a file.
Cheers,
Derek
1979 Guzzi T3 California
1973 Guzzi V7 Sport
2015 Triumph Tiger 800
Back to Top
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7322
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2017 at 22:01
I seem to remember my SPIII flywheel ring looking like that, but the wiring mod cured the no start problem.
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
c13pep View Drop Down
Senior Member
Senior Member
Avatar

Joined: 31 Aug 2017
Location: UK
Status: Offline
Points: 130
Post Options Post Options   Thanks (0) Thanks(0)   Quote c13pep Quote  Post ReplyReply Direct Link To This Post Posted: 06 Nov 2017 at 10:50
What`s the condition of the starter motor pinion as I agree that the starter ring doesn`t look overly worn compared to some I have seen. Also have you checked all the teeth are there and that they are all equally worn. I say this after remembering an old Bond Equipe I had which had a tooth broken on the starter ring and sods law always matched the gap to the early morning start up, or not as was the result.(pinion used to jam on ring)
Remembering that car makes me feel very old!!!!
CHRIS
you can`t have any fun in a straight line
Back to Top
ReggieV View Drop Down
Senior Member
Senior Member
Avatar

Joined: 12 Oct 2014
Location: Leeds,Yorkshire
Status: Offline
Points: 335
Post Options Post Options   Thanks (0) Thanks(0)   Quote ReggieV Quote  Post ReplyReply Direct Link To This Post Posted: 06 Nov 2017 at 17:34
I'm not suggesting that I'm an expert, but the main tooth form doesn't look to be very worn as far as I can see in the photo. Dressing the lead in to the teeth may be a satisfactory cure, but there's only one way to find out....and if you're wrong you may have the job to do again to fit a new one, but let's hope not.
 
I have had a starter ring look a bit like this and it use to turn the engine then stop turning it over, effectively jamming it, eventually breaking the cast nose on the starter motor.


Edited by ReggieV - 06 Nov 2017 at 17:45
Back to Top
Glawster View Drop Down
Senior Member
Senior Member


Joined: 14 Sep 2015
Location: Cheltenham
Status: Offline
Points: 267
Post Options Post Options   Thanks (0) Thanks(0)   Quote Glawster Quote  Post ReplyReply Direct Link To This Post Posted: 06 Nov 2017 at 20:16
Thanks for the feedback guys.  I decided to take off the gearbox to have a better look.  Every tooth is similar in profile and I'm beginning to talk myself into thinking they're not that bad.  I tickled a few up with the Dremel (2nd photo) but I'm not sure if it really makes a big difference.
Nice cleaning job on the brake plates by Ray D!

DSC_3739 by Derek Wardell, on Flickr

DSC_3738 by Derek Wardell, on Flickr

DSC_3740 by Derek Wardell, on Flickr
1979 Guzzi T3 California
1973 Guzzi V7 Sport
2015 Triumph Tiger 800
Back to Top
Glawster View Drop Down
Senior Member
Senior Member


Joined: 14 Sep 2015
Location: Cheltenham
Status: Offline
Points: 267
Post Options Post Options   Thanks (0) Thanks(0)   Quote Glawster Quote  Post ReplyReply Direct Link To This Post Posted: 21 Nov 2017 at 20:43
A quick resume on the rear shocks and a recommendation for a superb supplier!
I contacted IKON UK regarding seals for the dampers.  They were less than helpful - basically they regarded them as too old to be rebuild and wouldn't I like a new pair of Dial A Rides?  I really wanted to save the unique V7 Sport original shocks and took a punt when I saw a set of Koni 7610 seals on Ebay.  I won the auction at £9.99.  When the seals arrived they had a business card for SP Suspension Ltd included.  I bought a peg spanner, but no way could I open the damper units, so I called Shaun Pickering of SP Suspension.  He used to work for the UK Koni importer until they sold the business in the 1990s and he bought all the old stock of Koni parts.  He immediately knew the seal set I needed, which is NOT the 7610 seal set.  And he had it in stock.  I shipped the dampers to Shaun and they were returned within a week, fully rebuilt with new seals and oil....for £50!  Really superb service from..

Shaun Pickering
SP Suspension Ltd
3 Brewers Court
Donnington
Lincolnshire
PE11 4US
07811 108123
shaunpickering@btinternet.com

I gave them a quick coat of satin black paint, but I wish I'd had the springs and collars rechromed.  I thought I'd be wasting my money sending them for plating if I couldn't get the dampers rebuilt.

DSC_3775 by Derek Wardell, on Flickr

For the instrument panel I could find only green and amber original lights from TLM, red is out of stock.  And they were £25 each.  Reluctantly I replaced them with Lucas at £32 for all four.  The bezels and lenses are not identical, but they are pretty close.

DSC_3761 by Derek Wardell, on Flickr
1979 Guzzi T3 California
1973 Guzzi V7 Sport
2015 Triumph Tiger 800
Back to Top
v7john View Drop Down
Senior Member
Senior Member
Avatar

Joined: 14 May 2014
Location: West Wales, UK.
Status: Offline
Points: 587
Post Options Post Options   Thanks (0) Thanks(0)   Quote v7john Quote  Post ReplyReply Direct Link To This Post Posted: 21 Nov 2017 at 21:06
Well done with those shocks. I've made a not of the firm as I've got a very worn out set in a box somewhere.

The light cluster looks ok to me.
1972 V7Sport "The Racing Rhino".
1972 V7 700cc "The Fire Bike".

Read my blog https://racingrhino.wordpress.com/
Back to Top
Glawster View Drop Down
Senior Member
Senior Member


Joined: 14 Sep 2015
Location: Cheltenham
Status: Offline
Points: 267
Post Options Post Options   Thanks (0) Thanks(0)   Quote Glawster Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 2017 at 17:18
Well the rebuild is almost finished and it all went quite smoothly (well at least so far).  I thought about buying a new loom but the core of it seems to be in very good condition, so I just replaced the peripheral wiring to the rear light, brake light, starter etc.
Regarding the starter issue (Click, no crank)  I decided to use a new relay and tucked this behind the battery.  I wired it according to the Guzziology instructions.  The starter certainly is working correctly at least for now.


The old relay is a fine looking item, but probably better to retire it.


That tidies up the area above the solenoid where the relay was previously located


And for a bit of style I re-instated the under seat Courtesy Light.  I know of no other bike sporting this feature!


It's really looking very smart now and just a few jobs to complete.  John's Racing Rhino blog was very helpful in assembly as the Guzzi parts book drawings are far from clear.





1979 Guzzi T3 California
1973 Guzzi V7 Sport
2015 Triumph Tiger 800
Back to Top
Barry View Drop Down
Senior Member
Senior Member
Avatar

Joined: 02 Mar 2015
Location: Oxford
Status: Offline
Points: 1288
Post Options Post Options   Thanks (0) Thanks(0)   Quote Barry Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 2017 at 17:26
Looking lovely. Just ready for a blast up the road in the slimy, oily, salty slush!

Back to Top
 Post Reply Post Reply Page  <12
  Share Topic   

Forum Jump Forum Permissions View Drop Down

Forum Software by Web Wiz Forums® version 11.10
Copyright ©2001-2017 Web Wiz Ltd.

This page was generated in 0.031 seconds.