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DSN_KLR650
Tengai Mark Van Horn
Posts: 1922
Joined: Tue Nov 19, 2002 8:31 pm

what's the best approach for add'l hp on a klr650 without rejett

Post by Tengai Mark Van Horn » Tue Jan 18, 2011 7:18 am

Re: [DSN_KLR650] What's the best approach for add'l HP on
At 4:37 AM +0000 1/18/11, notanymoore wrote:
 What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern.
Big-bore kit is about the only thing that really works, but I wouldn't waste my time... or money.
Mark

guymanbro
Posts: 366
Joined: Tue Dec 04, 2001 11:54 pm

what's the best approach for add'l hp on a klr650 without rejett

Post by guymanbro » Tue Jan 18, 2011 10:20 am

--- In DSN_KLR650@yahoogroups.com, "notanymoore" wrote:
> > What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern. >
Buy a KTM. ;') da Vermonster

Jeff Khoury
Posts: 684
Joined: Tue Mar 31, 2009 11:08 am

what's the best approach for add'l hp on a klr650 without rejett

Post by Jeff Khoury » Tue Jan 18, 2011 10:31 am

#ygrps-yiv-1611100826 p {margin:0;}If you change any of those things you will need to re-jet, or your mixture will be too lean.  This will lead to popping ("backfiring") on deceleration, increased temperature and possibly valve overheating.  You may also LOSE performance and horsepower. Every time you change ANYTHING that affects the restriction of either the intake or exhaust, you need to re-jet to make sure you are getting the proper stochiometric mixture.  I use a "Color Tune" kit. -Jeff Khoury [b]From: [/b]"notanymoore" [b]To: [/b]"DSN KLR650" DSN_KLR650@yahoogroups.com> [b]Sent: [/b]Monday, January 17, 2011 8:37:28 PM [b]Subject: [/b][DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting?   What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern.

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

what's the best approach for add'l hp on a klr650 without rejett

Post by mark ward » Tue Jan 18, 2011 10:38 am

UP KEEP!   First thing it to get the most out of what you have.   Air filter, plugs, oil change, TIRES!!!!   When you look at the filter and say YUK, the it was way over time. Forget miles, every area you ride is differant, and as soon as the filter STARTS to get dirty, you start losing air flow. (High flow filters mean More dirt gets threw also.)   Just a couple lbs low ai pressure and you lose, speed, use more gas ETC.   When I met my EX back in 83 she had a 68 Chevelle, Big block 350 etc. you couldn't even "power brake " it and spin the tires. I tried explaining that it was every low on power and something was wrong, of coarse she took it as an INSALT. With out telling her, (she was gone shopping) I finialy did a FULL tune up on it. The filter was VERY DIRTY as was the carb, SO sticky the 4barrel didn't work.   Later that night we went to dinner and leaving a stop sign she hit the gas, SCARED the crap out of her, the tires just started spinning, she was used to giving it alot of gas just to go.   MANY add things to get more HP, but neglect the basics, and LOSE SOME PERFORMANCE!!!
--- On [b]Tue, 1/18/11, guymanbro [i][/i][/b] wrote:
From: guymanbro Subject: [DSN_KLR650] Re: What's the best approach for add'l HP on a KLR650 without rejetting? To: DSN_KLR650@yahoogroups.com Date: Tuesday, January 18, 2011, 4:20 PM   --- In DSN_KLR650@yahoogroups.com, "notanymoore" wrote: > > What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern. > Buy a KTM. ;') da Vermonster

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

what's the best approach for add'l hp on a klr650 without rejett

Post by mark ward » Tue Jan 18, 2011 10:41 am

OK an "OLD GUY" has to ask....WHAT is a "colortune" kit?
--- On [b]Tue, 1/18/11, Jeff Khoury [i][/i][/b] wrote: From: Jeff Khoury Subject: Re: [DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting? To: "DSN KLR650" DSN_KLR650@yahoogroups.com> Date: Tuesday, January 18, 2011, 4:30 PM   If you change any of those things you will need to re-jet, or your mixture will be too lean.  This will lead to popping ("backfiring") on deceleration, increased temperature and possibly valve overheating.  You may also LOSE performance and horsepower. Every time you change ANYTHING that affects the restriction of either the intake or exhaust, you need to re-jet to make sure you are getting the proper stochiometric mixture.  I use a "Color Tune" kit. -Jeff Khoury [b]From: [/b]"notanymoore" [b]To: [/b]"DSN KLR650" DSN_KLR650@yahoogroups.com> [b]Sent: [/b]Monday, January 17, 2011 8:37:28 PM [b]Subject: [/b][DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting?   What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern.

Jim Douglas
Posts: 326
Joined: Mon Oct 16, 2000 5:01 pm

what's the best approach for add'l hp on a klr650 without rejett

Post by Jim Douglas » Tue Jan 18, 2011 10:46 am

As I am a total engine retard (I know not PC), why do some 650CC engines put out so much more HP that the little 32HP of the KLR?  For example an older BMW 650FS has like 48-50HP?  I know it's probably a stupid questions, but...................
On 1/18/2011 10:30 AM, Jeff Khoury wrote:   If you change any of those things you will need to re-jet, or your mixture will be too lean.  This will lead to popping ("backfiring") on deceleration, increased temperature and possibly valve overheating.  You may also LOSE performance and horsepower. Every time you change ANYTHING that affects the restriction of either the intake or exhaust, you need to re-jet to make sure you are getting the proper stochiometric mixture.  I use a "Color Tune" kit. -Jeff Khoury [b]From: [/b]"notanymoore" RJTaylor@... [b]To: [/b]"DSN KLR650" DSN_KLR650@yahoogroups.com [b]Sent: [/b]Monday, January 17, 2011 8:37:28 PM [b]Subject: [/b][DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting?   What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern.

fasteddiecopeman
Posts: 813
Joined: Sun Nov 07, 2004 2:05 pm

what's the best approach for add'l hp on a klr650 without rejett

Post by fasteddiecopeman » Tue Jan 18, 2011 12:01 pm

Put a Versys or Ninja 650 engine into it! Cheers, Ed
--- In DSN_KLR650@yahoogroups.com, "notanymoore" wrote: > > What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern. >

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

what's the best approach for add'l hp on a klr650 without rejett

Post by RobertWichert » Tue Jan 18, 2011 4:00 pm

The BMW specifications say 42 hp and the KLR specifications say 44 hp, so not much different. Robert P. Wichert P.Eng +1 916 966 9060 FAX +1 916 966 9068 ========================================================
On 1/18/2011 8:45 AM, Jim Douglas wrote:   As I am a total engine retard (I know not PC), why do some 650CC engines put out so much more HP that the little 32HP of the KLR?  For example an older BMW 650FS has like 48-50HP?  I know it's probably a stupid questions, but................... On 1/18/2011 10:30 AM, Jeff Khoury wrote:   If you change any of those things you will need to re-jet, or your mixture will be too lean.  This will lead to popping ("backfiring") on deceleration, increased temperature and possibly valve overheating.  You may also LOSE performance and horsepower. Every time you change ANYTHING that affects the restriction of either the intake or exhaust, you need to re-jet to make sure you are getting the proper stochiometric mixture.  I use a "Color Tune" kit. -Jeff Khoury [b]From: [/b]"notanymoore" RJTaylor@... [b]To: [/b]"DSN KLR650" DSN_KLR650@yahoogroups.com [b]Sent: [/b]Monday, January 17, 2011 8:37:28 PM [b]Subject: [/b][DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting?   What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern.

Jim Fortner
Posts: 69
Joined: Fri Dec 12, 2003 1:02 am

what's the best approach for add'l hp on a klr650 without rejett

Post by Jim Fortner » Tue Jan 18, 2011 5:07 pm

+1 buy another bike.
On Tue, Jan 18, 2011 at 10:20 AM, guymanbro wrote: --- In DSN_KLR650%40yahoogroups.com, "notanymoore" wrote: > > What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern. > Buy a KTM. ;') da Vermonster

Jeff Khoury
Posts: 684
Joined: Tue Mar 31, 2009 11:08 am

what's the best approach for add'l hp on a klr650 without rejett

Post by Jeff Khoury » Tue Jan 18, 2011 8:10 pm

#ygrps-yiv-972187799 p {margin:0;}The F650GS (singles) are higher-compression and fuel-injected.  There's your HP right there. Multi-Cylinder bikes can get even more, with the average 600cc inline four commuter bike putting out 80-100 hp. -Jeff Khoury [b]From: [/b]"Jim Douglas" [b]To: [/b]"DSN _KLR650" DSN_KLR650@yahoogroups.com> [b]Sent: [/b]Tuesday, January 18, 2011 8:45:54 AM [b]Subject: [/b]Re: [DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting?   As I am a total engine retard (I know not PC), why do some 650CC engines put out so much more HP that the little 32HP of the KLR?  For example an older BMW 650FS has like 48-50HP?  I know it's probably a stupid questions, but...................
On 1/18/2011 10:30 AM, Jeff Khoury wrote:
  If you change any of those things you will need to re-jet, or your mixture will be too lean.  This will lead to popping ("backfiring") on deceleration, increased temperature and possibly valve overheating.  You may also LOSE performance and horsepower. Every time you change ANYTHING that affects the restriction of either the intake or exhaust, you need to re-jet to make sure you are getting the proper stochiometric mixture.  I use a "Color Tune" kit. -Jeff Khoury [b]From: [/b]"notanymoore" RJTaylor@... [b]To: [/b]"DSN KLR650" DSN_KLR650@yahoogroups.com [b]Sent: [/b]Monday, January 17, 2011 8:37:28 PM [b]Subject: [/b][DSN_KLR650] What's the best approach for add'l HP on a KLR650 without rejetting?   What's the best approach for add'l HP on a KLR650 without rejetting? K&N airfilter? Muffler replacement? If so, what kind? I live in the midwest so airflow affecting carburator at altitude is not a big concern.

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