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Message started by Gyrobob on 11/06/10 at 07:46:17

Title: LS 650 S40 engine rebuild/blueprinting shop
Post by Gyrobob on 11/06/10 at 07:46:17

I would like to find a shop that knows all about engine rebuilds/hop-up for this motor.  

I have found a couple of bikes I want to buy that are pretty complete and would be good starts on some Savage-based projects, but the motors are questionable.  

My plan is to buy the bikes, then send the motors off to an expert shop for a rebuild and mild hop-up that might include boring for a DR650 Wiseco piston.  I want the transmission/clutch areas gone through as well.

Anyway, please let me know of a shop of craftsmen that can take a couple of tired motors and make them new again, possibly with a little more "thrust" than stock.

Thanks for any info,..

Bob

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by verslagen1 on 11/06/10 at 07:55:49

Most of us that hot rod our bikes do our own work.
I've only heard of a couple that have had shop work.
I'd look for an ATV racing shop as that was one of the places that was mentioned and it makes sense.
There's a place down in Temecula, but I've never had any work there.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by justin_o_guy2 on 11/06/10 at 09:48:04

Have you considered, or, do you care, about the cost of that hired out labor?

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by BurnPgh on 11/06/10 at 09:54:21

You can do everything you need to on this bike yourself witht he possible exception of a grade A head porting job, and even that can be significantly improved with the careful use of a dremel. If you pay labor for all you want done you'll end up paying 3x more for the work than the bike.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by Ed L. on 11/06/10 at 18:50:04

Syd's over by St. Peterburgs FL. has a reputation of being able to rebuild and hop up just about any motorcycle engine that has been built. I've heard that they work on anything from early Vincents to bevel head Ducati's from the 50s and 60's. They can be expensive depending on what you want done. Don't know if they would be willing to work on a savage. Most of the mods here are DIY just because of the low cost and simplicity of the bike.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by justin_o_guy2 on 11/06/10 at 19:38:10

Man, just mess with it. If you have to send the jug off to get it bored & coated, so whata? Do the wrenching & its gonna be fun & cost LOADS less.. Youll spend more than the value of the bike on getting an engine built. Possibly, even if you stayed stock,.,

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by Gyrobob on 11/09/10 at 05:44:18

Thanks for the comments, gents, but I was hoping to find a place that had Savage 650 expertise, and a real zeal for these motors.

I'm an aircraft mechanic, so I am not afraid to tear and engine down, tidy it up, and put it back together again.  One of the things I have learned over the years is that are many more ways to do things wrong than to do them right.  One must know one's limits.

One of the things I have discovered in dealing with aircraft, hot rods, motorcycles, etc., is that for most types of machinery, there are always a few folks who have a particular interest in a particular niche, and over time they learn the cool things to do and the common blunders to avoid.

For example, there are a few places that specialize in taking old Triumph 650 twins and not just overhauling them, but using trick new parts, new metallurgy, seam sealing secrets, etc.  I could overhaul a motor like that and bring it back to original shape, but when one of these specialty shops does it, you have a "vintage" twin that will actually start reliably, run for 10,000 miles, have a little more power, and not leak.

I am hoping to find a guy (or a few guys) in a shop where they have a particular passion for these large Suzuki thumpers, and through long experience, know how to do a much better than average rebuild,... maybe even breathing on the motor a little.

I know it is a simple motor, and it is quite easy to take it apart, clean up the bore, new rings, do a valve job, replace any worn parts, and put it back together again.  If I did that, I would probably have a nice stock 650 thumper motor that will last a while.  Possibly, though, I might have made a common mistake that first-timers with this motor make.  Maybe I would have overlooked some easy things to do while I had it apart that knowledgeable Savage-fans know about.

That is all I am after here.  I just want to find someone who knows all about rebuilding and tweaking this motor.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by Arnold on 11/09/10 at 06:01:48

Sounds like the Clymer manual.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by Charon on 11/09/10 at 06:13:06

The trouble with the "specialty shop" approach is the labor charge. Consensus seems to be that average labor charges run $80 - $85 per hour. I would expect a specialty shop to charge more than that. If for the sake of discussion we say $100 per hour, then twenty hours of labor will buy a late-model low-mileage bike, complete and running. Fifty hours of labor will buy a brand-new bike. I have no idea how many hours the flat-rate manual assigns to a teardown and rebuild, but learning that might be a good place to start.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by justin_o_guy2 on 11/09/10 at 09:33:15

I dont think this bike/engine has created the mystique required for the formation of a cult following , performance seeking bunch of people. My guess is, you can find more distilled knowledge here than any shop you might find. Sounds like you have all the ability needed to do the work. Its a pretty brutal piece of machinery, not "fine" in its design, but, its fun. Partly as a result OF its lack of being so Fine in its design. Between the knowledge & experience & parts available thru these people & resources for getting things done to the engine( Bored jug & lined & availability of piston), you can do to it what is practical to do. I would expect it to not be affordable or wise to do more than what these guys know how to do.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by BurnPgh on 11/10/10 at 09:45:26

+1

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by babyhog on 11/10/10 at 11:20:03

WE ARE the cult following...  ;D

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by mornhm - FSO on 11/10/10 at 13:13:55

My guess that since the Savage is still available new off the factory floor, and is considered a "beginner's" MC, there won't be any niche shops around. Any shop is either going to want to drop in a replacement engine on a major repair, or scrap the MC based on value and sell you something else. Most shops are not going to be "into" trying to tweak a beginner's MC that fully tweaked is probably going to be worth less than a new stock model. Right now a 86 Savage is mainly an old Savage, not that much different than a 2010 Savage. Maybe twenty years from now if they stop making them, but based on what they compare to in today's market, I really doubt it. I could be wrong, but without a time machine we won't know for quite a few years.

As I was told by a specialty shop - unfortunately out of business now -when I looked into seriously modifying my Savage into what I really wanted/needed: "you're trying to make a silk purse out of a sow's ear. Nothing wrong with a Savage, but let it be what it is."

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by BarneyBWilde on 11/10/10 at 16:30:58


5C5E435F595C310 wrote:
My guess that since the Savage is still available new off the factory floor, and is considered a "beginner's" MC, there won't be any niche shops around. Any shop is either going to want to drop in a replacement engine on a major repair, or scrap the MC based on value and sell you something else. Most shops are not going to be "into" trying to tweak a beginner's MC that fully tweaked is probably going to be worth less than a new stock model. Right now a 86 Savage is mainly an old Savage, not that much different than a 2010 Savage. Maybe twenty years from now if they stop making them, but based on what they compare to in today's market, I really doubt it. I could be wrong, but without a time machine we won't know for quite a few years.

As I was told by a specialty shop - unfortunately out of business now -when I looked into seriously modifying my Savage into what I really wanted/needed: "you're trying to make a silk purse out of a sow's ear. Nothing wrong with a Savage, but let it be what it is."

Nicely put.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by LANCER on 11/13/10 at 05:46:36


795A49555E42796C52575F5E3B0 wrote:
[quote author=5C5E435F595C310 link=1289054777/0#12 date=1289423635]My guess that since the Savage is still available new off the factory floor, and is considered a "beginner's" MC, there won't be any niche shops around. Any shop is either going to want to drop in a replacement engine on a major repair, or scrap the MC based on value and sell you something else. Most shops are not going to be "into" trying to tweak a beginner's MC that fully tweaked is probably going to be worth less than a new stock model. Right now a 86 Savage is mainly an old Savage, not that much different than a 2010 Savage. Maybe twenty years from now if they stop making them, but based on what they compare to in today's market, I really doubt it. I could be wrong, but without a time machine we won't know for quite a few years.

As I was told by a specialty shop - unfortunately out of business now -when I looked into seriously modifying my Savage into what I really wanted/needed: "you're trying to make a silk purse out of a sow's ear. Nothing wrong with a Savage, but let it be what it is."

Nicely put.[/quote]


Yes, well put, but we don't ride a sows ear.
They are misinformed or without knowledge.
Most mod shops are use to playing with 100 + hp motors  looking to make 150 hp or something like that.
Their perception is totally wrong.
We are not after that much power, just a really nice running single for FUN RIDING.
Going from 25 rear wheel hp  on a stock LS650 to 40-50 hp is a nice jump, especially with the torque curve we get.  As noted on other threads the Savage, when perked up with a little work, is a great bike for those mountain roads.  It is light weight, has torque everywhere, and is great handling ...assuming of coure that tires, brakes, suspension, etc is in good order.  It is tough to beat on those roads and the FUN FACTOR is off the freaking charts.
Do a chain conversion and alter the ratio for easy road cruise, carving the mountains, or embarrassing the bigger bikes between stoplights.
It is easy to work with and cheap by comparison.

You want to have fun riding ? ? ?  
Just mod a Savage and clean the bugs out your teeth later !

YEEHA ! ! !  

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by gerald.hughes on 11/13/10 at 07:19:25

I  took my flea flicker to a performance shop here in Tucson that has a yard full of superbikes, and a wall full of racing trophies and plaques.  I talked with the guys about how I ride, and what I was looking to have done.  They didn't sneer.  They thought that it was cool. the dyno specs that Serowbot posts on this site are the ones that they ran when they finished relieving the head, doing a ring and valve job, and installing Lancer's chain and Verslagen's tensioner. (Serowbot did the carb work.)

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by justin_o_guy2 on 11/13/10 at 09:01:53

Would you be willing to share with us what that bit of expert work cost?

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by gerald.hughes on 11/13/10 at 09:51:02

Parts, labor, and the dyno run-I believe that it was around $1500.  Just for giggles, I went to the local stealership, and told them the work that I wanted done and got a price-almost $3000.

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by justin_o_guy2 on 11/13/10 at 10:58:35

Beats heck outta 3,000 but 1500's nothing to sneeze at. I spose if someone has the pennies, its no big deal..

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by Gyrobob on 11/14/10 at 05:15:22

Lancer, tell us more about the chain coversion :-?

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by verslagen1 on 11/14/10 at 06:49:15

chain conversion...

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1174239333/0

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by MotoBuddha on 11/20/10 at 21:32:19

I'm brand new to the LS650 (but not bikes) so I'm trying to figure out what can be done with the engine. My searching here so far hasn't turned up what I'm looking for. I assume the LS650 has a lot in common with the DR650. There are high compression pistons, big bore kits, hot cams and pumper carbs available for that. Anyone know if this stuff works with the LS?

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by verslagen1 on 11/20/10 at 21:59:43

The piston kits from wiseco will fit if you bore out the cylinder.
I imaging the carbs would work.  But everything else is different.

Lancer's rex is one of the hottest bikes around...
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1266928992/0#0

There's also truckinduc's...
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1264727267/0

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by Gyrobob on 11/29/10 at 18:54:26


With moderate mods (bore, piston, carb, cam), what kind of reliable HP can you expect from this motor?

Title: Re: LS 650 S40 engine rebuild/blueprinting shop
Post by LANCER on 11/30/10 at 04:21:35


605E5548454845270 wrote:
With moderate mods (bore, piston, carb, cam), what kind of reliable HP can you expect from this motor?



With the large bore piston/cyl you get higher comp too; throw in the cam/carb kits and a really good flowing exhaust system (not the stock header) and a really good tuning job; expect 45hp+ at the rear wheel;  not at the crank

If the exhaust ports in the head are opened then there is another boost

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