carb diaphragm

DSN_KLR650
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mark ward
Posts: 1027
Joined: Fri Jan 15, 2010 11:18 am

carb adjustment, (old thread)

Post by mark ward » Mon Mar 25, 2013 11:54 am

Hey Fred (& thoseThat KNOW) West mi. is about 600 alt. While I have taken my 07 To the top of Estes park, Glacier park, Etc. (blue ridge not an Altitude issue. LOL) To come to Moad, and Say Estes, pikes peak again, Should I be changing out the needle Etc?? (before I was just crossing over and checking out sights on the way) I could tell a big difference at times & big Elevation changes, In Death valley On anouthers KLR, with NON-Stock carb. (less power to keep up) [Non-text portions of this message have been removed]

Fred Hink
Posts: 2434
Joined: Thu Apr 06, 2000 10:08 am

carb adjustment, (old thread)

Post by Fred Hink » Mon Mar 25, 2013 12:02 pm

As you go up in elevation, there is less oxygen available so therefore you will be making less power no matter what you do. Having the proper air/fuel mix helps maximize the power available but you are only going to be able to make so much power will less oxygen. Fred http://www.arrowheadmotorsports.com From: mark ward Sent: Monday, March 25, 2013 10:54 AM To: List KLR Subject: [DSN_KLR650] Carb Adjustment, (Old thread) Hey Fred (& thoseThat KNOW) West mi. is about 600 alt. While I have taken my 07 To the top of Estes park, Glacier park, Etc. (blue ridge not an Altitude issue. LOL) To come to Moad, and Say Estes, pikes peak again, Should I be changing out the needle Etc?? (before I was just crossing over and checking out sights on the way) I could tell a big difference at times & big Elevation changes, In Death valley On anouthers KLR, with NON-Stock carb. (less power to keep up) [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]

RobertWichert
Posts: 697
Joined: Sun Jan 10, 2010 11:32 am

carb adjustment, (old thread)

Post by RobertWichert » Mon Mar 25, 2013 12:07 pm

Add this to the six inch vise and anvil on the trip list... http://www.oxygenconcentratorstore.com/portable/?gclid=CIXzlLCtmLYCFc5xQgodsHkAaA Robert Wichert P.Eng. LEED AP BD&C +1 916 966 9060 FAX +1 916 966 9068 ===============================================
On 3/25/2013 10:02 AM, Fred Hink wrote: > > As you go up in elevation, there is less oxygen available so therefore > you will be making less power no matter what you do. Having the proper > air/fuel mix helps maximize the power available but you are only going > to be able to make so much power will less oxygen. > > Fred > http://www.arrowheadmotorsports.com > > From: mark ward > Sent: Monday, March 25, 2013 10:54 AM > To: List KLR > Subject: [DSN_KLR650] Carb Adjustment, (Old thread) > > Hey Fred (& thoseThat KNOW) > > West mi. is about 600 alt. While I have taken my 07 To the top of > Estes park, Glacier park, Etc. (blue ridge not an Altitude issue. LOL) > > To come to Moad, and Say Estes, pikes peak again, Should I be changing > out the needle Etc?? (before I was just crossing over and checking out > sights on the way) > > I could tell a big difference at times & big Elevation changes, In > Death valley On anouthers KLR, with NON-Stock carb. (less power to > keep up) > > > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed]

revmaaatin
Posts: 1727
Joined: Wed Nov 26, 2003 3:07 pm

carb adjustment, (old thread)

Post by revmaaatin » Mon Mar 25, 2013 7:33 pm

--- In DSN_KLR650@yahoogroups.com, "Fred Hink" wrote:
> > As you go up in elevation, there is less oxygen available so therefore you will be making less power no matter what you do. Having the proper air/fuel mix helps maximize the power available but you are only going to be able to make so much power will less oxygen. > > Fred > http://www.arrowheadmotorsports.com >
Fred, ah, The elusive search for the missing KLR hearse power. Q. Won't you be offering your famous KLR hyper-charger option next Monday to counteract those KHI CV equipped, underpowered engines at 11000+ftMSL? You know the one; the same model that Jennifer was using when she was killed during the early days of KLR land speed records at Bonneville. For all her trouble, the extra horse power became hearse power for our entire community. Perhaps you can (again) offer a group buy. As I recall, it was a HUGE hit in the fall of 2003. I have been searching my memory, and I am concerned all the research/development as well as the tool-die was destroyed in the final installment of the Canyon Land Classics campfires. Reportedly, alcohol was involved. shrug. revmaaatin.

Fred Hink
Posts: 2434
Joined: Thu Apr 06, 2000 10:08 am

carb diaphragm

Post by Fred Hink » Mon Mar 25, 2013 9:23 pm

Ding Ding Ding, we have a winner! Yes it was the Moto Paseo of lister Lew Waterman and his trusty sidekick Punky that had us all abuzz a few years ago. It was a long day today but I finally put the finishing touches on the Mikuni carb kit. It turned out great. I will be offering it for sale soon as I get all the small bits and pieces together along with a price. There was a lot more machining that had to be done than I figured but this kit will now be a plug and play installation. The price for the complete kit is going to be closer to $265 which includes everything mentioned before. I can sell this kit cheaper if anyone has the fuel petcock block off kit and doesn t need the vacuum port for the petcock. I will also custom jet this carb for you to make it closer to your elevation and riding style/performance demands. Just let me know what you want. I ll have photos and prices on my web site soon. Ron, you must have got the new Run Flat tire by mistake. Glad your not leaking any more. (said the urologist) Fred http://www.arrowheadmotorsports.com From: Ron Criswell Sent: Monday, March 25, 2013 6:00 PM To: Fred Hink Cc: SM ; RobertWichert ; mailto:DSN_KLR650@yahoogroups.com Subject: Re: [DSN_KLR650] Re: Carb Diaphragm That is interesting Fred. Lemme know when you get the kit. I have heard some have been working on FI for KLR's. That was Punky and Lou I believe that rejected for high altitudes. Maybe ideal for all kinds of riding might be for around 800 ft. Funniest story about lean jetting (well maybe not funny), a guy I took a small engine repair class from. He is an ex road racer. He said 2 strokes will run real good before they sieve running too lean. He was running at Daytona once in practice laps....and said "Man this thing is running good. I think I will go one more lap." On the way to the hospital in the ambulance....he realized the one more lap was a bad decision. Oh.....my tire I put on that you sold me.....it quit leaking so I didn't tear it down again. Criswell Sent from my iPad
On Mar 25, 2013, at 11:10 AM, "Fred Hink" wrote: Ron, It s not if but when I will have this kit completed. I have all the parts and have to make a couple more modifications before I am ready to release them. I should have this carb kit ready this week. The price is going to have to be slightly higher than what was previously mentioned. This kit I used to sell was sold for about $250 and that was not a plug and play type kit like this one will be. This kit will include extra jets so you can fine tune this carb to your bike, riding style and performance modifications. Also will be included new Tygon fuel line, fuel filter and hose clamps along with the new throttle and cable. All carburetors are effected by altitude and yes the CVK is effected less by elevation changes but it is still effected. The Mikuni carb allows the jetting to be changed much more easily than the CVK carb. You can changes jets and needle on the Mikuni with the carb on the bike. I doubt anyone that rides over any high mountains will want to stop and change jets unless they are going to stay riding at that elevation for a period of time. Otherwise like any other carb, you just deal with the loss of power at elevation and then once you are at lower elevations everything is fine again. Remember the rider and his dog that had his KLR jetted for sea level and then it wouldn t pull at elevation in Peru, (this was with a CVK carb too) had it rejetted for elevation and drove back to sea level without rejetting. Then the engine seized. DOH! It s much easier to deal with a slightly rich condition than running too lean and taking a chance on engine damage. You can jet this carb as lean as you want to get better fuel mileage. If everything else in your engine stays the same, you usually don t get better performance without burning more fuel. The advantage of the Mikuni direct pull type of carburetor is that you will notice a significant throttle response at low rpms through midrange. High rpm power will not change much as a wide open throttle on both carbs will be about the same. You can change the jets and needle on this carb much easier than the CVK, so you should be able to dial in what performance level you want. Fred http://www.arrowheadmotorsports.com From: Ron Criswell Sent: Sunday, March 24, 2013 4:46 AM To: Fred Hink Cc: SM ; RobertWichert ; mailto:mailto:DSN_KLR650%40yahoogroups.com Subject: Re: [DSN_KLR650] Re: Carb Diaphragm Hey Fred.....if you do the Mikuni conversion.....I guess altitude changes would affect it more as far as jetting than the stock CVC type carb......but it would have better performance correct??? Criswell Sent from my iPad On Mar 21, 2013, at 8:42 AM, "Fred Hink" wrote: You can t buy just the diaphragm. Kawasaki wants about $140 for the slide and diaphragm and I can get you an after market one for about $40. Or better yet, I am working on a complete Mikuni carb kit that will run you about $200. The Mikuni doesn t use a diaphragm. From: RobertWichert Sent: Thursday, March 21, 2013 7:33 AM To: SM Cc: mailto:DSN_KLR650%40yahoogroups.com Subject: Re: [DSN_KLR650] Re: Carb Diaphragm So the diaphragm is permanently attached to the slide? Really? It looks like it has a screwed collar, but if not, I'm screwed if I need another one. Robert Wichert P.Eng. LEED AP BD&C +1 916 966 9060 FAX +1 916 966 9068 =============================================== On 3/20/2013 8:02 PM, SM wrote: > > > > --- In mailto:DSN_KLR650%40yahoogroups.com > , RobertWichert wrote: > > > > Does anybody know what sort of wrench to use to get the carb diaphragm > > off the slide? > > > > Pliers? > > > > > > -- > > Robert Wichert P.Eng. LEED AP BD&C > > +1 916 966 9060 > > FAX +1 916 966 9068 > > > > > > You need a smoke wrench. > > [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]

Fred Hink
Posts: 2434
Joined: Thu Apr 06, 2000 10:08 am

carb adjustment, (old thread)

Post by Fred Hink » Mon Mar 25, 2013 9:39 pm

Rev, I think you misunderstand the point of this carb upgrade. It s not about making more HP (hearse power in your case) but about tune ability and throttle response. This carb likely is not going to make much or any more HP than the stock CVK but it will feel must more powerful at small throttle positions because when you open the throttle, the throttle is OPEN, it doesn t set there and count one thousand and one, one thousand and two and then go. You open the throttle and it just goes. It s hard to explain until you have actually driven the difference and it will be a significant difference. Rev, my Hypercharge is always on sale. How many would you like? http://www.angelfire.com/ut/moab/hipercharger.html Don t worry about any R&D getting destroyed by fire or alcohol, the only thing I know of that was destroyed was a few livers and a lot of brain cells. Fred http://www.arrowheadmotorsports.com From: revmaaatin Sent: Monday, March 25, 2013 6:33 PM To: DSN_KLR650@yahoogroups.com Subject: [DSN_KLR650] Re: Carb Adjustment, (Old thread)
--- In mailto:DSN_KLR650%40yahoogroups.com, "Fred Hink" wrote: > > As you go up in elevation, there is less oxygen available so therefore you will be making less power no matter what you do. Having the proper air/fuel mix helps maximize the power available but you are only going to be able to make so much power will less oxygen. > > Fred > http://www.arrowheadmotorsports.com > Fred, ah, The elusive search for the missing KLR hearse power. Q. Won't you be offering your famous KLR hyper-charger option next Monday to counteract those KHI CV equipped, underpowered engines at 11000+ftMSL? You know the one; the same model that Jennifer was using when she was killed during the early days of KLR land speed records at Bonneville. For all her trouble, the extra horse power became hearse power for our entire community. Perhaps you can (again) offer a group buy. As I recall, it was a HUGE hit in the fall of 2003. I have been searching my memory, and I am concerned all the research/development as well as the tool-die was destroyed in the final installment of the Canyon Land Classics campfires. Reportedly, alcohol was involved. shrug. revmaaatin. [Non-text portions of this message have been removed]

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