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 Alternator belt replacement

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Dave R
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Dave R

Posts : 96
Join date : 2018-06-10

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PostSubject: Alternator belt replacement   Alternator belt replacement Icon_minitime1Sun May 24, 2020 5:45 am

My bikes in for its annual service and MOT next week.  It's a 2015 with (approx) 12000 miles (20000 km).  I don't get in as many miles as I'd like due to work and family commitments, but I do like to make sure that it's serviced annually.  The schedule says the alternator belt should be adjusted at 20000 km and replaced at 50000, but I've also read on another thread to change it every 3 -4 years.  

So do I work on the basis that it's only done 20000 km and needs adjusting, or do I work on the basis of it's five years old and should be replaced?  

Cheers
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Pete Roper
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Pete Roper

Posts : 7563
Join date : 2013-05-29
Age : 63

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Sun May 24, 2020 6:00 am

Have a look at it. If it looks fine and isn't cracked or loose? Leave it alone.
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Dave R
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Dave R

Posts : 96
Join date : 2018-06-10

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Sun May 24, 2020 11:36 am

Cheers Pete - I'd thought of doing that, but wanted reassurance it wasn't a cop-out
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BrianD
Don Abbondio
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BrianD

Posts : 75
Join date : 2015-12-19

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Tue May 26, 2020 4:13 am

I am thinking about replacing mine, believe to be orignal from 2011 which now has 46,000 + miles, I gather there are quite a few alter native belts which are pretty much same lenght + or - a little. Is there sufficient adjustment to accomodate these?

thanks
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Pete Roper
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Pete Roper

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Age : 63

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Tue May 26, 2020 4:21 am

Yup. Gimme a prod if I forget but I can give you the Gates # if you wish. The factory belts aren't particularly spendy but few shops will have them on the shelf. The Gates option is available pretty much anywhere.
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BrianD
Don Abbondio
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BrianD

Posts : 75
Join date : 2015-12-19

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Tue May 26, 2020 4:38 am

OK thanks, I do have some cross references
Gates 4PK738 = 738mm
Gates 4PK740 = 740mm
Cadna 290K4 = 29" whic hI think is 736mm
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paulbrice
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paulbrice

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Join date : 2015-01-04
Age : 59

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Tue May 26, 2020 4:43 am

Gutsi Bits have 1 in stock at £19.90 + £3.50 postage..... I bought one ages ago and keeping it until the old one starts looking rough.... Main related problem I've already had was one of the plastic cover bolt was completely rusted in and had to be drilled/tapped out after it sheared (even 'special extractors' wouldn't touch it......funny enough (not) had identical problem at same position on guzzi V50 front cover - guess it's where the water spends most time.
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BrianD
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BrianD

Posts : 75
Join date : 2015-12-19

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Tue May 26, 2020 5:37 am

Cheers, I was thinking about being a cheapskate Smile

I replaced the front cover bolts with stainless - so hopefully will come apart OK.

I haev wondered about the belt as a couple months ago I spent a log of time riding through floodwater about foot, foot and half deep.
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eeyore
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eeyore

Posts : 157
Join date : 2016-09-09

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Wed May 27, 2020 12:39 pm

BrianD wrote:
Cheers, I was thinking about being a cheapskate Smile

I replaced the front cover bolts with stainless - so hopefully will come apart OK.

I haev wondered about the belt as a couple months ago I spent a log of time riding through floodwater about foot, foot and half deep.

If not already done it could be beneficial to grease the suspension bearings.
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JohnA
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Posts : 318
Join date : 2015-01-13
Age : 63

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Wed May 27, 2020 1:24 pm

Can someone tell me how much has to be removed to get at the top two bolts and get the cover off? Or the best way to go about this.
Thank you.

John
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Pete Roper
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Age : 63

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Wed May 27, 2020 2:52 pm

I've been a bit busy over the last few days but I'll try and answer this and a few other questions by the weekend if I can.
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Kiwi_Roy
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Kiwi_Roy

Posts : 430
Join date : 2017-11-09

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Wed May 27, 2020 3:57 pm

Here is a post I did earlier 2007 2V/cylinder
[You must be registered and logged in to see this link.]
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JohnA
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Posts : 318
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Age : 63

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Thu May 28, 2020 5:31 am

Thanks Roy. Very helpful. That’s swimming in the deep end for me......
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BrianD
Don Abbondio
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BrianD

Posts : 75
Join date : 2015-12-19

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PostSubject: Re: Alternator belt replacement   Alternator belt replacement Icon_minitime1Sun Jun 07, 2020 2:28 am

Fitted new alternator belt yesterday, believe it's original so about 10 years old and 50K plus miles. slight cracking on ribs.

Belt fitted - 4PK730
Original belt length - 740 (outside measurement)

May be useful to someone
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