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V7III First Service

Discussion in 'V7/V85/V9 Chat & Tech' started by dududuckling, May 27, 2018.

  1. Diogenes

    Diogenes Just got it firing!

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    Yes, I can confirm that the first service is 900 miles and NOT 600. I contacted Moto Guzzi directly and they gave me written confirmation of the manual which stipulates 900 miles. It seems that some dealers are either confusing the first service mileage with many of the Japanese bikes or are engaged in dubious practices!
     
  2. kiwi dave

    kiwi dave GT Reference

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    Looks like they applied the conversion for 1500 kM, and then did it again!
     
  3. dududuckling

    dududuckling Cruisin' Guzzisti

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    So I am almost up for second maintenance interval. The manual calls for it at 6,200 miles, but it is easier for me to remember every 5,000-mile interval. So far,

    Engine oil - Motorex 10W60 - 2L

    Gearbox oil - Royal Purple 75W-90 - 0.5 L

    Final Drive oil - Royal Purple 85W-140 - 0.17 L

    Brake Fluid - Motorex DOT 4 - 250 mL?? I am planning to do a brake flush, it has been two years

    Oil filter, washers, crush o-ring

    Spark plugs NGK CPR8EB-9 x 2

    OEM Valve cover gasket - Is this needed?

    Starter switch and all the switches - Double check for corrosion since I ride rain or shine?

    Check all the nuts and bolts

    Going forward, since I ride my bike rain or shine, and even park it in downpour rain at the office, I am thinking of replacing the fluids every season (6 months). Is this a little too extreme?

    Also, went for a ride yesterday up the 154 at sunset. :)
     

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  4. TimmyTheHog

    TimmyTheHog Cruisin' Guzzisti GT Contributor

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    Can't remember how much I used, but it was less than 1 full bottle. I just ended up doing both front and rear with ~1/3 bottle left.

    Mine was a V7 so it had paper gasket, and torn when I replaced mine.

    However, I read V7iii uses Rubber with steel core.

    if you are careful, you can reuse them, but I would just grab them just in case...they cost like 5 bucks Canadian, so I don't see why not stock it.
     
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  5. jefrs

    jefrs Just got it firing!

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    Yeah - unfortunately the service manual is "lost in translation". It speaks of removing an 'air filter' from the gearbox (a mesh thimble up the drain hole). Diagrams unhelpful, should be obvious looking at the bike, one hole in, one hole out. Earlier gearboxes had a level plug. The V7 II does not seem to have one.
    So it is drain and refill with 500ml of ENI ROTRA LSX 75W-90 (GL-5). I believe V7 III is the same.
     
  6. jefrs

    jefrs Just got it firing!

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    Whilst the spark plugs are NGK CBR8EB-9 the "-9" means they come out of the box at 0.90mm gap which is far too wide and will cause missing at high revs. They have to be reset to 0.6mm to 0.7mm per the book of words.
    Experiments my me found the gap is quite fussy and that 0.70mm gives best result. The extra nought "0.70" means 0.695mm to 0.705mm - spot on 0.70mm.

    Regarding brake fluid - use a fresh unopened can. One that has been lurking in the back of the garage for the last seven years will be useless, absorbed water.
    A small can should do the lot, but I have used up 250ml just doing a front that was full of eww-yuck and needed a lot of flushing.

    Me, I try to stick to the recommended AGIP/ENI fluids. I've no idea if the formulation makes any difference but they're easy enough to obtain, and cheap enough, right-pond.
     
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  7. vagrant

    vagrant High Miler GT Contributor

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    don't use 2L of engine oil. start with 1.5 when changing the oil filter too and add if necessary after getting it warmed up. 1.7 will most likely be max or it will wind up in your air box.
     
  8. Scott H.

    Scott H. Just got it firing!

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    Just did first service a bit early (800 miles) and gapped the plugs to 0.9 as per page 220 of my user manual (V7III Special, 2019). I see users above saying .9 is too wide. What gives?
     
  9. john zibell

    john zibell Moderator Staff Member GT di Razza Pura

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    That is about 0.035 inch. That is a pretty big gap. Takes a great deal of voltage to jump that and the coils may not have enough rise time at high rpm. Try 0.025 inch and set the gap using a round wire gauge. Besides, spark plug gap increases with time as the electrodes erode.
     
  10. Scott H.

    Scott H. Just got it firing!

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    I agree it's a big gap, but is it your experience these bikes run better at the smaller number? Why would MG recommend the larger number?
     
  11. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    Ahem! Not quite correct. What we all call a final drive, Moto Guzzi calls a transmission. Many call it the diff(erential), which it isn't of course. I'm often guilty of that :worried:.
    The rest of the world uses transmission and gear box almost entirely interchangeably.
     
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  12. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    You don't need a JASO MA rating - the clutch is dry and the Tx has its own separate oil. The JASO rating won't harm anything, but you simply don't have any need to chase oils with that rating.
     
  13. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    My closest MG dealer changes all fluids (inc brake fluid) at every service. Mario's the best in Oz!
     

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