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suzuki savage Engine bogs down high rpm
06/07/12 at 00:17:43

Hi peeps!

My Suzuki Savage 94 engine bogs down at high rpm.
When applying full the throttle at a certain point the rpm goes fast up and the enginepower drops. Feels like the belt looses grip or something.

(The condition seems worse right after start when the engine is not heated, but im not sure)

Anyone got tips what to look for? Thx!

[img][/img]

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« Last Edit: 07/25/12 at 04:55:07 by Davidoff74 »

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nuster

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Re: suzuki savage Engine bogs down high rpm
Reply #1 - 06/07/12 at 02:49:37

Make sure there is a little slack in the clutch cable. I make sure I can wiggle a little slop at the clutch arm on the engine. There can be a little slop in the clutch hand lever and the cable, but if the lever on the engine case is "Tight" it can cause the clutch to slip. Many motorcycles with this type of arrangement have a threaded screw and lock nut to adjust this arm looseness/tightness. The LS650 DOES NOT. It has 3 different length push rods that replace an ajustable threaded rod. If the disks in the clutch have worn the stack up lentgh may have the pressure plate tight against your fixed length push rod and the external clutch arm. If the hand lever has some slack and the verticle part of the cable at the engine has some slack you should be able to wiggle the arm on the engine case. If it has no slop then the clutch actuator/cam has no slack inside the engine case. Check the forum about proper oil relating to wet clutch action. A clutch that is on the boarder of slipping will slip at full load in 5th gear rather than the lower gears.

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Davidoff74 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 14	Re: suzuki savage Engine bogs down high rpm Reply #2 - 06/07/12 at 05:09:27 Thx man! I will take a look at the clutch tonight and keep you guys posted
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Davidoff74 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 14	Re: suzuki savage Engine bogs down high rpm Reply #3 - 07/25/12 at 04:52:27 Replaced springs, clutch friction plates and oil, the problem is still there. When i loosen the clutch all the way on the cable the clutch seems to grab a bit more. I got myself a set of pushrods (three lenghts). I need a shorter one mounted for the clutch to grab more?? [img][/img]
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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: suzuki savage Engine bogs down high rpm Reply #4 - 07/25/12 at 07:48:54 reading material for you... http://suzukisavage.com/cgi-bin/YaBB.pl?num=1270678838/0
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18098 Camp Springs, Kentucky Gender:	Re: suzuki savage Engine bogs down high rpm Reply #5 - 07/25/12 at 10:15:50 verslagen1 wrote on 07/25/12 at 07:48:54: reading material for you... http://suzukisavage.com/cgi-bin/YaBB.pl?num=1270678838/0 I just read that entire thread..........Now I got a headache!
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Davidoff74 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 14	Re: suzuki savage Engine bogs down high rpm Reply #6 - 07/30/12 at 02:06:37 Ok thx! i changed the push rod for a longer one but problem is still there. Will try to install the shortest one tonight. If this dont work i wil try to clean the disks as described in the linked thread.
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Oldfeller--FSO Serious Thumper ModSquad Offline Hobby is now "concentrated neuropany" Posts: 12672 Fayetteville, NC Gender:	Re: suzuki savage Engine bogs down high rpm Reply #7 - 07/30/12 at 04:55:37 You do understand that you are moving the arm intentionally between the high and low marks on the case, right? Not "just putting a rod in" and then "trying another rod" later?
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Re: suzuki savage Engine bogs down high rpm
Reply #8 - 07/30/12 at 05:10:39

Davidoff74 wrote on 06/07/12 at 00:17:43:

Hi peeps!

My Suzuki Savage 94 engine bogs down at high rpm.
When applying full the throttle at a certain point the rpm goes fast up and the enginepower drops. Feels like the belt looses grip or something.

[img][/img]

From this, why would I think it was a clutch slippage prob ?
This is a poor description at best.
Mite this be what you are trying to say ?

"My engine speeds up, but my bike doesn't"

If this anything close to what you should have said, then you really do have a clutch problem.
And just so you know, a worn clutch would require a shorter rod, not longer. And if the longer one didn't make the problem worse, then the rod is not the problem

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Rich
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Oldfeller--FSO

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Re: suzuki savage Engine bogs down high rpm
Reply #9 - 07/30/12 at 05:17:41

Routy, he says he just replaced his clutch plates, springs, etc

So now you got all the entire range of "not put back together right" issues to deal with.

================

Questions for Davidoff74

What sort of oil do you use. Brand & weight pls.

Have you EVER used any form of oil additive, if so -- what ??

Do you maintain a nickle's thickness of free play gap in the joint of your clutch lever to the housing?

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Routy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2280 Winston Oregon Gender:	Re: suzuki savage Engine bogs down high rpm Reply #10 - 07/30/12 at 05:22:36 Quote: So now you got all the entire range of "not put back together right" issues to deal with. --------------------------------------------------------------------------- Only if its a clutch problem to begin w/ From his description, I'm not convinced of that.
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Re: suzuki savage Engine bogs down high rpm
Reply #11 - 07/30/12 at 05:49:36

Nor am I.

This one does not talk, he just gives you a listing of the things he's fiddled with since the last time he posted. Got no evidence he reads the stuff you sent him to look at either.

If I were to help him, I'd tell him TO STOP working on "stuff", take a deep breath and carefully describe what the heck he's talking about.

He's got clutch on the brain right now though, so he'll keep fixing it randomly until he breaks it.

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Davidoff74

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Re: suzuki savage Engine bogs down high rpm
Reply #12 - 07/30/12 at 06:38:16

Hi Guys. Sorry for not posting my progress so often Sad

The engine RPM goes up but not the speed of the bike. That is correct.
After reading just a part of the linked thread (facepalm) i decided to try switching the push rod for a longer one. The problem now seems worse that before i think. Need to do some more testing before im sure.

I must admit that i have not checked the clutch lever against the markings on the clutch cover som im not sure where it stands at this point. Not even sure if it lever is in the marked operating zone (feels like a noob but due to little time this whent a bit fast). The lever got a good slack. It moves up and down like 0,5 -0,7 cm when i pull it with my hand. I will sure slow things down. I will check status of the clutch lever position first thing when i get back home from work today, and let you know!

I have changed oil 2 times after i bought the bike this spring from the prevoius owner. I bought the oil from the local Suzuki dealer 10w 40 so it should be the right one. Dont know what the previous owner added to the bike.

I did change the springs and friction plates but not the steele plates. Mistake?

If it is not a clutch problem what else could it be?? any tips what to look
for?

Anyways. Thx for helping out and again sorry for late response!

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Routy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2280 Winston Oregon Gender:	Re: suzuki savage Engine bogs down high rpm Reply #13 - 07/30/12 at 06:57:23 Quote: The engine RPM goes up but not the speed of the bike. That is correct. -------------------------------------------------------------------- Now we know its a clutch problem. But a longer rod would only make it worse,.......if the problem is lack of slack
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: suzuki savage Engine bogs down high rpm Reply #14 - 07/30/12 at 09:57:10 Which rod is in it doesnt make it slip or keep it from slipping, thats just how to Best set it up so the load on the throwout "paddle" is right. No slack in the clutch cable? Thats a problem, You Have to be able to wiggle your clutch lever with NO effort, What oil you got in it?
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