UK Monster Owners Club Forum » .: Technical :. » Engines, Clutch, Gears » Clutch & Alternator Cover Bolt List

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Old 31-05-2020, 06:02 PM   #1
Stuart42
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Clutch & Alternator Cover Bolt List

Hi all

I'm currently fiddling with a 2005 620, and have removed the clutch and alternator cover, as they need some work doing to them.

To my dismay, I've given up being surprised by what I find, some of the bolts are either missing altogether or clearly the wrong size.

So just wondering if anyone has a list of the bolt sizes, and number, that hold the two covers on please?

Hope you are all well

Cheers
Stuart
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Old 31-05-2020, 06:49 PM   #2
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I suspect your friendly local parts dept will be able to tell you from the part numbers

Clutch Cover

1x screw 771.5.083.8B
3x screw 771.5.081.8B
4x screw 771.5.069.8B
2x screw 771.5.072.8B
1x washer 852.1.176.1A
1x spacer 713.1.241.1A


Alternator Cover

1x screw 771.5.064.2B
8x screw 771.5.069.8B
2x screw 771.5.067.8B
3x screw 771.5.071.8B
1x washer 734306N01

Sprocket Cover

1x screw 771.5.064.2B
1x screw 771.5.069.8B

Crank Sensor

1x screw 771.5.066.8B
1x spr.wash 853.1.003.1A

Inspection Cover

2x c-snk.scr 777.5.049.8B

Clutch Slave

3x screw 60N107335

Last edited by slob; 31-05-2020 at 07:38 PM.. Reason: added clutch slave
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Old 31-05-2020, 06:53 PM   #3
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Someone years ago did that. What I do now is stick a small screwdriver in the hole up to the face then subtract 2-3mm or to a nominal size length of stock bolts. They generally work in no more than a few lengths.
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Old 31-05-2020, 07:18 PM   #4
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Thanks Rob
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Old 31-05-2020, 07:30 PM   #5
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i think i have a bolt list for 900 but the dry clutch, crank sensor etc changes things a bit,
and i can’t face trying to decipher probolt receipts from my 1000

it might be taking the mick a bit but c&l are very helpful

if you find the sizes, update the list, then we have wet clutch ie models covered

found it http://www.thelasturl.net/ukmoc/M900BoltList.pdf

Last edited by slob; 31-05-2020 at 07:40 PM.. Reason: bolt list added
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Old 31-05-2020, 07:33 PM   #6
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Will do.

Cheers
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Old 31-05-2020, 07:47 PM   #7
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Clutch Cover

1x screw 771.5.083.8B M6x90
3x screw 771.5.081.8B M6x80
4x screw 771.5.069.8B M6x25
2x screw 771.5.072.8B M6x35
1x washer 852.1.176.1A 6.4X12.5X1.6
1x spacer 713.1.241.1A SPACER 6.2X10X7



Alternator Cover

1x screw 771.5.064.2B M6X1.00X14
8x screw 771.5.069.8B M6x25
2x screw 771.5.067.8B M6x16
3x screw 771.5.071.8B M6x30
1x washer 734306N01 N/A

Sprocket Cover

1x screw 771.5.064.2B M6X1.00X14
1x screw 771.5.069.8B M6x25

Crank Sensor

1x screw 771.5.066.8B M6x18
1x spr.wash 853.1.003.1A SPRING WASHER 6 MM


Inspection Cover

2x c-snk.scr 777.5.049.8B M6x16 CSK


Cheers
Stuart

Last edited by Stuart42; 02-06-2020 at 04:31 PM..
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Old 31-05-2020, 08:13 PM   #8
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cool
just to check, csk bolts should be measured inc head
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Old 31-05-2020, 10:06 PM   #9
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Quote:
Originally Posted by slob View Post
i think i have a bolt list for 900 but the dry clutch, crank sensor etc changes things a bit,
and i can’t face trying to decipher probolt receipts from my 1000

it might be taking the mick a bit but c&l are very helpful

if you find the sizes, update the list, then we have wet clutch ie models covered

found it http://www.thelasturl.net/ukmoc/M900BoltList.pdf
That looks suspiciously like my list! Glad it’s still saved somewhere lol
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Old 01-06-2020, 06:35 PM   #10
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Quote:
Originally Posted by slob View Post
cool
just to check, csk bolts should be measured inc head
I've just measured the ones I took out and 14mm was thread length

Hope this helps

Cheers
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Old 01-06-2020, 08:21 PM   #11
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if you order a 14mm csk screw, it will be too short then.
cap/pan/hex button head are measured/specified as shank length,
countersunk are measured/specified as overall length.
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Old 02-06-2020, 04:30 PM   #12
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Quote:
Originally Posted by slob View Post
if you order a 14mm csk screw, it will be too short then.
cap/pan/hex button head are measured/specified as shank length,
countersunk are measured/specified as overall length.
Just measured the one I removed, and total length is 16mm.

I've updated the list above.

Cheers
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