Expensive work needed! - SV650.org

07-02-05, 09:41 AM

My bike passed its MOT with flying colours on Saturday but the mechanic told me that the noise I had noticed shouldn't be there and that he thought it was the scissor gears???? (don't ask me!) and that to fix it he would need the bike for 2 days and because the whole engine needs to be lifted out that it will costs about £300. (not chuffed)

Has anyone had this problem or does anyone know anything about this?

(Apparantley it only happens on the older sv's as newer components have been updated.)

07-02-05, 01:59 PM

How many miles has your bike done?

07-02-05, 03:32 PM

Bikes done 20,000, however it had a reconditoned engine put in it just before I bought it as the last owner had run it dry of oil and that has now still only done 5,000!

northwind · 07-02-05, 03:58 PM

You want to get a professional second opinion... What sort of noise is it?

Also, it could be I'm just dense, but WTF is a scissor gear?

embee · 07-02-05, 10:31 PM

Quote:

Originally Posted by northwind

Also, it could be I'm just dense, but WTF is a scissor gear?

....it fits between the thrimble washer and the waffle sprocket

(no, I've no idea either!

)

Sid Squid · 08-02-05, 12:25 AM

I don't think there are any of the type gears sometimes referred to as "scissor gears" on an SV.

08-02-05, 10:27 AM

Apparently the scissor gears are on the camshafts.

Sid Squid · 08-02-05, 10:51 AM

Is this a 650 or a 1000?

If it is, as I think it is, a 650 there aren't any of the quietening 'scissor gears' on the cams, they're only fitted to the 1000s.

Far more likely is that the camchain tensioners are a little sticky, to make them work again usually doesn't require their replacement, in fact it usually doesn't even require their removal, just the cap removed and the plunger reset.

Please check this very carefully before going any further.

Of course if you do have a 1000, it is a possibility, however the problem was mostly confined to the early TLs, I've not heard of a problem with the SV1000 cam sprockets as they are of a quite different design.

08-02-05, 10:54 AM

well thats a new one to me

scissor gears?

08-02-05, 11:01 AM

Quote:

Originally Posted by Sid Squid

Is this a 650 or a 1000?

If it is, as I think it is, a 650 there aren't any of the quietening 'scissor gears' on the cams, they're only fitted to the 1000s.

Far more likely is that the camchain tensioners are a little sticky, to make them work again usually doesn't require their replacement, in fact it usually doesn't even require their removal, just the cap removed and the plunger reset.

Please check this very carefully before going any further.

Of course if you do have a 1000, it is a possibility, however the problem was mostly confined to the early TLs, I've not heard of a problem with the SV1000 cam sprockets as they are of a quite different design.

sounds like a older 650 to me sid as he said

Quote:

Apparantley it only happens on the older sv's as newer components have been updated.)

in which case id agree with sid and say its the tensioners

07-02-05, 09:41 AM	#1
Nickster78 Guest Posts: n/a	Expensive work needed! My bike passed its MOT with flying colours on Saturday but the mechanic told me that the noise I had noticed shouldn't be there and that he thought it was the scissor gears???? (don't ask me!) and that to fix it he would need the bike for 2 days and because the whole engine needs to be lifted out that it will costs about £300. (not chuffed) Has anyone had this problem or does anyone know anything about this? (Apparantley it only happens on the older sv's as newer components have been updated.)

07-02-05, 03:58 PM	#4
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,082	You want to get a professional second opinion... What sort of noise is it? Also, it could be I'm just dense, but WTF is a scissor gear? __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

08-02-05, 12:25 AM	#6
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	I don't think there are any of the type gears sometimes referred to as "scissor gears" on an SV. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

08-02-05, 10:51 AM	#8
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Is this a 650 or a 1000? If it is, as I think it is, a 650 there aren't any of the quietening 'scissor gears' on the cams, they're only fitted to the 1000s. Far more likely is that the camchain tensioners are a little sticky, to make them work again usually doesn't require their replacement, in fact it usually doesn't even require their removal, just the cap removed and the plunger reset. Please check this very carefully before going any further. Of course if you do have a 1000, it is a possibility, however the problem was mostly confined to the early TLs, I've not heard of a problem with the SV1000 cam sprockets as they are of a quite different design. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

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07-02-05, 01:59 PM	#2
BURNER Guest Posts: n/a	How many miles has your bike done?

07-02-05, 03:32 PM	#3
Nickster78 Guest Posts: n/a	Bikes done 20,000, however it had a reconditoned engine put in it just before I bought it as the last owner had run it dry of oil and that has now still only done 5,000!

08-02-05, 10:27 AM	#7
Nickster78 Guest Posts: n/a	Apparently the scissor gears are on the camshafts.

08-02-05, 10:54 AM	#9
weegaz22 Guest Posts: n/a	well thats a new one to me scissor gears?