SuzukiSavage.com - Oversized Cylinder

Rhinoman

Ex Member

Oversized Cylinder
04/18/04 at 19:49:42

Just picked up a 1987 LS650 and she needs some work..the previous owner ran her low on oil :'( and messed up the cylinder wall, piston and head..So, I'm looking for the max bore size for this motor... not only to get it running but to give her some more zip 8) could I take .040 and still have enough left over? I found a head at a local Savage yard for 250.00..do you think it's worth the price?

Thanks in advance
Rhino

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Kropatchek Serious Thumper Offline Why more than 1 cylinder? Posts: 1457 Alphen a/d Rijn Netherlands Gender:	Re: Oversized Cylinder Reply #1 - 04/19/04 at 04:46:19 FYI there are two overseize piston available + 0.5 mm and 1.0 mm. Check www.ronayers.com for partnumbers etc. 250 for a complete head sounds good. Glad to be of help. regards and succes
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Bugscraper Full Member 2004 No Login Offline I love YaBB 1G - SP1! Posts: 130 Gender:	Re: Oversized Cylinder Reply #2 - 06/21/04 at 10:19:01 I emailed Ron Ayers -- he said Suzuki doesn't make them; and he only carries OEM parts.
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Kropatchek

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Why more than 1
cylinder?

Posts: 1457
Alphen a/d Rijn Netherlands
Gender: male

Re: Oversized Cylinder
Reply #3 - 06/22/04 at 09:29:44

Sorry to hear that. Embarrassed

Not much more advice I can give you from the Netherlands. Angry

I am looking for a complete top-end e.g. Cylinder,piston, head and headcover and having a hard time finding a used set.
Goodluck

here the link to the ill. of Ron Ayers http://www.ronayers.com/fiche/300_0039/crankshaft/crankshaft.cfm

press on the partnumber and see what happens

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Never ask your bike to scream before her throat is warm.
'93 Sav in '96 ( yellow) looks

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Bugscraper Full Member 2004 No Login Offline I love YaBB 1G - SP1! Posts: 130 Gender:	Re: Oversized Cylinder Reply #4 - 06/23/04 at 12:37:32 Where did you get your info. on the oversized cylinders?
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Kropatchek Serious Thumper Offline Why more than 1 cylinder? Posts: 1457 Alphen a/d Rijn Netherlands Gender:	Re: Oversized Cylinder Reply #5 - 06/24/04 at 08:47:27 Click on the link to Ron Ayers and look at item 23-1 and 23-2.
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Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: Oversized Cylinder Reply #6 - 06/29/04 at 14:09:17 According to the Suzuki Service manual, there are also oversized rings. I think that I read that you can get an overbore for the Savage that will make it just about 700 cc. There is also a place that will custom make a high compression pistion, but you better think about having a cam regrind too.
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Bugscraper Full Member 2004 No Login Offline I love YaBB 1G - SP1! Posts: 130 Gender:	Re: Oversized Cylinder Reply #7 - 06/29/04 at 18:42:15 Hi, Greg, Steve W. here (from your Group). I'm hoping to buy fairly late model, used, toward Fall, and am planning ahead. We can talk more about some specifics later, OK? Hope you're doing alright.
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: Oversized Cylinder Reply #8 - 07/01/04 at 07:05:12 Listen to Greg. Clive W
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Bugscraper Full Member 2004 No Login Offline I love YaBB 1G - SP1! Posts: 130 Gender:	Re: Oversized Cylinder Reply #9 - 07/01/04 at 11:39:58 Hi, Clive! Yeah, I know Greg knows what he's talking about -- his input is missed on Be_Savage, right?!
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Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: Oversized Cylinder Reply #10 - 07/02/04 at 12:37:49 Aw, you guys are making me blush Thanks. Glad to find some familiar names here, too.
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woodworker Ex Member	Re: Oversized Cylinder Reply #11 - 02/27/05 at 08:40:58 Here is a link to the Wiseco piston kit I've installedhttp://www.bikebandit.com/partsbandit/product~pf_id~2788749~dept_id~943503.asp
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Mr 650

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The LS650- Classic
style & 4-valve
engine

Posts: 1389
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Re: Oversized Cylinder
Reply #12 - 02/27/05 at 09:34:12

woodworker wrote on 12/31/69 at 16:00:02:

Here is a link to the Wiseco piston kit I've installedhttp://www.bikebandit.com/partsbandit/product~pf_id~2788749~dept_id~943503.asp

Thanks Woody congrats on the rebuild!
The bike bandit photo incorrectly shows an old 2-valve piston! That's why the HD boys needed to add another jug! Grin

I was interested in the fact that you ran through the clutch.
Was this w/ new clutch springs and discs installed w/ the rebuild?
Also, I noticed while surfing for parts that the 650 called for the same clutch spring as my '83 750 and several others.
I suspect that Suzuki 650 may share more components among other models, if that nice Barnett kit fails to contain your new found torque.

You know, I looked for a piston kit last year. I think I saw this one, on Bike Bandit, but I don't recall seeing it in the Wiseco book.

So I went back and it was listed w/ the dirt bike stuff under the DR 650 (like we got knobby tires Roll Eyes

)
It appears to be an 8.5:1 kit in the catalog, page 7 -
http://www.wiseco.com/PDFcatalogs/ps04-suzuki.pdf
I would like to bump the compression up a point. Did Wiseco mention anything about the ratio in your kit?

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SilverBlue '01,K&N,Snorklectomy,125mm NOS carb, 1/2 spacer & 155, 'Trapp, NC flyscreen, Suzy GelSeat, Osram H4
later..putt. Putt, PUtt, PUTT! 8)
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slavy

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smart cars for
stupid people

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Phoenix, Arizona
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Re: Oversized Cylinder
Reply #13 - 02/27/05 at 11:15:34

I am looking at the same things. I just picked up a Savage with no title, so the first thing I want to do is to get a bonded title, but after that I want to go with an oversized high compression piston. I remember there was a discussion about the increase of the displacement with the biggest available piston and about the high compression piston. I know somebody installed something like this, but it is hard to remember who was that. May be he will be good to share this info.

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The arificial intelligence is no match for the natural stupidity

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woodworker

Ex Member

Re: Oversized Cylinder
Reply #14 - 02/27/05 at 11:23:42

Mr 650 wrote on 12/31/69 at 16:00:02:

Thanks Woody congrats on the rebuild!
The bike bandit photo incorrectly shows an old 2-valve piston! That's why the HD boys needed to add another jug! Grin

I was interested in the fact that you ran through the clutch.
Was this w/ new clutch springs and discs installed w/ the rebuild?
Also, I noticed while surfing for parts that the 650 called for the same clutch spring as my '83 750 and several others.
I suspect that Suzuki 650 may share more components among other models, if that nice Barnett kit fails to contain your new found torque.

You know, I looked for a piston kit last year. I think I saw this one, on Bike Bandit, but I don't recall seeing it in the Wiseco book.

So I went back and it was listed w/ the dirt bike stuff under the DR 650 (like we got knobby tires Roll Eyes

)
It appears to be an 8.5:1 kit in the catalog, page 7 -
http://www.wiseco.com/PDFcatalogs/ps04-suzuki.pdf
I would like to bump the compression up a point. Did Wiseco mention anything about the ratio in your kit?

Did some calculations myself, with the additional volume obtained from the cavities in the top of the Wiseco piston and the oversize cylinder volume, the compression ratio worked out to essentially the same i.e. 8.5:1, also checked with Wiseco tech at the time and they confirmed this, thus no need to change camshaft timing
I have pics of the actual piston if you wish to see them.
I'm not sure how to publish them in this forum.

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