Author Topic: V7-850 Love and 1st valve check  (Read 1160 times)

Online inditx

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V7-850 Love and 1st valve check
« on: August 19, 2022, 04:26:40 PM »
Ok guys and gals, still lovin my '21 Stone.  :bike-037:
Just a pleasure to ride, as in, it's really fun!

Anywho, gonna do the first service and since I've never checked valves before, what does the brain trust recommend for feeler gauges, no I don’t have any, and best practices to check/adjust the valves.  :popcorn:

Thank in advance y’all!
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Online Kildareman

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Re: V7-850 Love and 1st valve check
« Reply #1 on: August 20, 2022, 04:27:52 AM »
Get some feelers gauges!
Did mine the other week. Not difficult. Use a large t bar hex through the plug to help find tdc. I held it lightly like a pencil so I could feel it rising through my fingers. When reassembling lightly coat the valve cover rubber gasket in oil and seat it in the groove first.
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Online Huzo

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Re: V7-850 Love and 1st valve check
« Reply #2 on: August 20, 2022, 05:44:01 AM »
Better to use a plastic straw down the plug hole.
If you are early in your home mechanic journey, you will find it easy to inadvertently jam the bar in the plug hole as the piston contacts it on the way up.
This will more than likely damage the thread to some degree.
Just don’t….

Also.
As the piston is descending towards BDC on the inlet stroke, you’ll notice no discernable lash on the inlet (rear) rocker arm.
This is because your inlet valve is (correctly) open.
As your piston stops @ BDC and starts to ascend, you are commencing the compression stroke, at the top of THIS stroke, you are at TDC on the compression stroke and your valves are in the right place to check the clearances.

Offline Stevex

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Re: V7-850 Love and 1st valve check
« Reply #3 on: August 20, 2022, 06:03:14 AM »
The bike's first service or the first one you're doing?
Asking as isnt it usual for the supply dealer to carry out first service for free, excluding consumables?

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Re: V7-850 Love and 1st valve check
« Reply #4 on: August 20, 2022, 06:06:34 AM »
The bike's first service or the first one you're doing?
Asking as isnt it usual for the supply dealer to carry out first service for free, excluding consumables?
Yeah…
If they actually do it… :rolleyes:

Offline blu guzz

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Re: V7-850 Love and 1st valve check
« Reply #5 on: August 20, 2022, 06:50:47 AM »
I tried using one of those bars and the piston caught it and held it and it the jug had to be partially disassembled to remove it.  It had also done some damage to the threads as I was trying to extricate it.  It is the straw for me from now on.  Take your time and it is an easy job.  Just make sure when you put the valve cover back on that you do not pinch the gasket.  A lot of oil can come out of a pinched gasket very fast and hot.  Don't ask me how I know this.
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Offline Cam3512

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Re: V7-850 Love and 1st valve check
« Reply #6 on: August 20, 2022, 07:11:36 AM »
Asking as isnt it usual for the supply dealer to carry out first service for free, excluding consumables?

No.
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Offline Vagrant

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Re: V7-850 Love and 1st valve check
« Reply #7 on: August 20, 2022, 08:54:00 AM »
The bike's first service or the first one you're doing?
Asking as isnt it usual for the supply dealer to carry out first service for free, excluding consumables?

Not in the US for the last 40 years or so.
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Offline twowheeladdict

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Re: V7-850 Love and 1st valve check
« Reply #8 on: August 20, 2022, 09:04:33 AM »
If you negotiate the first service into the purchase after all the price negotiations, it can be part of the purchase.  You see it as a for instance $350 savings, where they see it as a $100 reduction in the price since you weren't going to pay for it anyway.
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Offline bad Chad

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Re: V7-850 Love and 1st valve check
« Reply #9 on: August 20, 2022, 01:55:28 PM »
If you have never adjusted valves, or even if you have make sure to watch a couple YouTube videos on it. 
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Online inditx

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Re: V7-850 Love and 1st valve check
« Reply #10 on: August 20, 2022, 02:51:27 PM »
Better to use a plastic straw down the plug hole.
If you are early in your home mechanic journey, you will find it easy to inadvertently jam the bar in the plug hole as the piston contacts it on the way up.
This will more than likely damage the thread to some degree.
Just don’t….

Also.
As the piston is descending towards BDC on the inlet stroke, you’ll notice no discernable lash on the inlet (rear) rocker arm.
This is because your inlet valve is (correctly) open.
As your piston stops @ BDC and starts to ascend, you are commencing the compression stroke, at the top of THIS stroke, you are at TDC on the compression stroke and your valves are in the right place to check the clearances.

Bueno, thanks!
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Online inditx

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Re: V7-850 Love and 1st valve check
« Reply #11 on: August 20, 2022, 02:53:43 PM »
The bike's first service or the first one you're doing?
Asking as isnt it usual for the supply dealer to carry out first service for free, excluding consumables?

Ye son the first service and yes first valve check. Fluid changes are no problem.
If I were close enough to Cadre yes! As it is the dealer here doesn’t carry Guzzi’s any more and I am less impressed with their service anyway.
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Online inditx

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Re: V7-850 Love and 1st valve check
« Reply #12 on: August 20, 2022, 02:54:35 PM »
I tried using one of those bars and the piston caught it and held it and it the jug had to be partially disassembled to remove it.  It had also done some damage to the threads as I was trying to extricate it.  It is the straw for me from now on.  Take your time and it is an easy job.  Just make sure when you put the valve cover back on that you do not pinch the gasket.  A lot of oil can come out of a pinched gasket very fast and hot.  Don't ask me how I know this.

 :thumb:
inditx
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Online inditx

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Re: V7-850 Love and 1st valve check
« Reply #13 on: August 20, 2022, 02:55:21 PM »
If you have never adjusted valves, or even if you have make sure to watch a couple YouTube videos on it.

Will do!
inidtx
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