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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Full throttle in 1st gear bad? /cgi-bin/YaBB.pl?num=1318637279 Message started by built2last66 on 10/14/11 at 17:07:59 |
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Title: Full throttle in 1st gear bad? Post by built2last66 on 10/14/11 at 17:07:59 I got stuck in the mud the other night going up hill in the rain, bike fell over... it would have been impossible to go back down without sliding everywhere so I had to burn out in the mud in 1st gear to get up and out.. is there anything I should be weary of if it is bad? Could that have a serious effect on my cam chain tension-er? Just in case you're wondering why I'd be going up a mud hill in the rain like a dumb ass I was going to see my girl friend and had the bike around back. It rained earlier then started again once I decided it was ok to leave.. the Weather Channel owes me some new suede shoes >:( |
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Title: Re: Full throttle in 1st gear bad? Post by MotoBuddha on 10/14/11 at 18:57:16 Full throttle in 1st is no different from full throttle in any other gear, except parts of the transmission are spinning faster. Since the tire was slipping in mud, it's not like there was a heavy load on the engine. |
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Title: Re: Full throttle in 1st gear bad? Post by justin_o_guy2 on 10/14/11 at 19:05:54 Next time, use a higher gear & dont lay into the gas so hard. |
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Title: Re: Full throttle in 1st gear bad? Post by built2last66 on 10/14/11 at 19:11:21 637C7A7D60675666566E7C703B090 wrote:
It was so slippery I doubt I could even stand still long enough to actually change gears... I never hated the rain so much until I started riding for transportation... heh |
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Title: Re: Full throttle in 1st gear bad? Post by justin_o_guy2 on 10/14/11 at 23:00:00 Start off in 3rd,, if its that slick, its not gonna lug it. Besides, putting some pain on the clutch is a lot easier to fix than an engine thats coffed its guts out. |
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Title: Re: Full throttle in 1st gear bad? Post by Serowbot on 10/14/11 at 23:09:34 I'd try not to do it too often,... in first gear, especially slipping, you can build a lot of revs fast... If you're ever gonna' over-rev that'll do it... Besides,.. once your tire has lost grip, spinning faster ain't gonna' bring you more traction... |
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Title: Re: Full throttle in 1st gear bad? Post by built2last66 on 10/15/11 at 06:10:41 Well the way that I was standing and slipping, I didn't want the bike to maybe hit some traction and go shooting out from under me.. I've had that happen on dirt bikes before, and they don't have stuff to break off like turn signals and mirrors :D |
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Title: Re: Full throttle in 1st gear bad? Post by justin_o_guy2 on 10/15/11 at 09:00:31 Keep a thumb by the kill. Avoid hill climbs in the mud? |
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Title: Re: Full throttle in 1st gear bad? Post by MotoBuddha on 10/15/11 at 11:08:51 Has anyone established whether it's even possible to overrev these things? Don't they run out of breath first? |
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Title: Re: Full throttle in 1st gear bad? Post by LANCER on 10/15/11 at 11:28:17 It will over rev given the right circumstances and setup I've been in the 8k area a time or two running hard 0-60 and 1/4 mi runs during 1-2 & 2-3 shifts Did not do it purposely but when a speed shift doesn't grab the next gear immediately the engine will go right on past 6500 in quick time. By the time I could drop the throttle and try the shift again it was already swinging on to 8k That is when you are thankful that you had your cylinder go through the SILICONE CARBIDE TREATMENT. yep |
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Title: Re: Full throttle in 1st gear bad? Post by Routy on 10/15/11 at 16:50:47 I had always heard the definition of over revving to be,..."valves hitting piston". Other than that, I never knew any damage to occur from over revving the OEMs rating for a second or 2. |
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Title: Re: Full throttle in 1st gear bad? Post by built2last66 on 10/15/11 at 20:01:35 79766C776B6D7E7C747A6D1F0 wrote:
The engine's not completely stock. Man I really need that Clymers manual that covers 2005+ bikes... |
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Title: Re: Full throttle in 1st gear bad? Post by verslagen1 on 10/15/11 at 22:48:35 clymer ain't gonna tell you squat some dude says he had it up to 7500 really doubt you got anywhere near that. still running? don't do it again. |
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Title: Re: Full throttle in 1st gear bad? Post by built2last66 on 10/16/11 at 05:11:50 617265647B7670727926170 wrote:
With the Clymers manual I can inspect the engine.. my biggest concern at the moment is my cam chain tension-er just from paranoia :D |
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Title: Re: Full throttle in 1st gear bad? Post by Oldfeller on 10/16/11 at 06:16:11 Seriously, a stock bike won't rev much past 5,500 rpm -- the cam won't let it. I have a bike that commonly revs much higher than that, revved to the point the valves will float in second on occasion. Valves floating isn't apparently an engine killing thing with a stock low compression piston -- there is no chance of contact between piston crown and valves. Slap a high compression piston in there, along with a high stepping Lancer II cam -- contact is then possible on an over-rev which can make you an instant "lunch basket" motor. Them sooper dooper Frankenstein engines sure don't live very long, you could say they were "dead on assembly" and not be more than 30-60 days off on your estimate. ::) First time you really try to see what it can do -- why the ungrateful thing goes and shows you. |
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Title: Re: Full throttle in 1st gear bad? Post by MotoBuddha on 10/17/11 at 16:02:09 Then there's the matter of having a single big ass piston. You can only accelerate a mass so fast. The greater the mass, the slower the acceleration. Accelerate the piston up, accelerate the piston down, repeat. Thump thump thump... Now, if it was a 650cc 4-cylinder, you can accelerate those tiny pistons much faster and there's a greater chance of overrevving. Our engines are like tractors. Ever hear of anyone overrevving a tractor? |
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Title: Re: Full throttle in 1st gear bad? Post by built2last66 on 10/17/11 at 16:06:18 77554E55784F5E5E525B3A0 wrote:
Good way to put it. I PM'd ya about the wrap too by the way. |
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Title: Re: Full throttle in 1st gear bad? Post by justin_o_guy2 on 10/17/11 at 17:26:23 The problem with that piston is when its on exhaust,, & the piston is moving fast & thers no restriction,, |
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