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Discussion in 'Thumpers' started by willys, Nov 19, 2011.
I run regular in mine... I happen to know where an 07 with around 3500 miles is at to.
In what state is it located?
It's located in Port Arthur, Tx
I have 2 KLR's. One requires premium when temps go above 105F (common around here) the other needs premium when temps soar over 110F. (unfortunately also common around here lol) This is to prevent pinging under light loads.
looking for some input from some of you KLR gurus.
my new to me 99 and i have about 1k miles together now.........it had 3k on it when i bought it. it was basement kept, really a garage queen, had been put back on the road after a long sit by a knowledgable mc guy.
bike seems to idle a little rough, and i am getting about 48 mpg basically on a 25 mile round trip commute daily and another 150 or so additional miles each week. there have been no mods to the engine that the PO knew of. he had put it back on the road after a buddy of his died.
is this mpg about right for a 99? I am going to change the plug, as the PO said he had not (and soon do the doo).
is there anything i need to look for, or do, that will help it idle more smoothly? or help the mpg? it runs well under load at low speeds (as long as the rpms are up around 3k) and does well at 4k rpms at about 60mph indicated.
thanks for the help.
Long-distance diagnosis, but . . . assuming the prep included carburetor cleaning, you can perhaps improve idle stability by adjusting the FUEL SCREW.
To adjust, remove tamper-resistant plug (underside of carb, engine side) by drilling hole and "picking" out the plug; bottom fuel screw LIGHTLY (with small flat-blade screwdriver), then back fuel screw out about 1.75 or so turns, good starting point for a stock engine.
This adjustment should fuel-enrich your idle mixture; conventional wisdom has KLR650's factory-set fuel-lean initially, in fear of emissions violations.
Otherwise, with clean pilot circuit, clean air filter, at about 1200 rpm, should idle reasonalbly smoothly.
For a good primer on your carburetor, click here:
P.S. FORGET ABOUT your fuel mileage! You're doing fine!
I will start there. I had read of the fuel screw but was hesitant to attempt it. I will give it a shot, and thanks for the link. I knew when I bought her there would be some wrenching. so far very pleased with it overall.
My mpg questions stem from an 07 S40 Boulevard 650 that got about 60-63 no matter how hard you rode it.
Seems like someone done fuck up, possibly me, but I'm not pointing fingers.
How would one go about fixing this problem?
Center punch the center of bolt and try reverse drill bits and easy outs.Start with small bit and work your way larger if you have to.
Also apply some heat and try easy out.
Take your time and be patient.
If there is enough bolt sticking out to get vise grips to bite, you may be able to heat the boss up real hot and turn it out.
presoak with PB blaster and drill out
or PB and cut a slot and screw driver it out,you didnot say how it was done,going in or frozen and coming out.
Good suggestions above, but not likely to work. That exact problem
has happened to dozens of KLRs. The solution if it refuses to come
out is to grind it off and weld on a nut for a new bolt, then use a little
Maalox so it won't seize again....
...on my 1990. Ground the remaining bolt down flush, carefully drilled it oversized and welded a new nut on, reinstalled the sheild. No problem since.
Added the light mount from Twisted Throttle to my '12 KLR ..followed the directions... Which were good..IMHO compared to most. Nice parts that bolted up well. Problem is at speed ..(45 or more) there's a bad vibration. It's not a little rattle...it's awful. I believe the sport bracket that came with the light bracket is causing the problem. I plan to do a do -over tomorrow to see if I missed something. The supplied rubber washers are where the directions illustrate...anyone else have these. Any ideas.? No way I can get used to this....something is wrong somewhere. I will call TT tomorrow after I re do. I really like the location up top but something is wrong.
If I couldn't get a good bite with Vise-grips, I think I'd try this approach first; looks like there may be enough meat for a hacksaw blade or a Dremel Moto-Tool cut-off wheel to cut a slot for a flat-blade screwdriver bit . . . then, I'd consider an impact driver (maybe an impact wrench) to back the bolt shaft out . . .
I've had few successes with Easy-outs; have been forced to drill out the bolt remnant entirely, re-tapping the hole and using a new bolt . . .
A friend had a 07 KLR that average high 40s while my 09 averaged in low to mid 50s until the front sproket was replaced to a 14 tooth. Now I average 48-50 mpg. The newer KLRs are jetted leaner and probably get better mpg due to that reason. Try some Seafoam gas treatment and keep riding. How are the tires? Do the wheels turn freely? Condition of the chain? Any drag from the brakes?
48mpg for a 99 might be a good mpg.
Not horrible but not great imo. I average 50ish with 14t front sprocket and relatively heavy throttle hand. When I was running 15 and 16t front sprockets I was getting 53-55mpg with the occasional tank over 60mpg. Even running 70 down the interstate I'd still get low/mid 50s. 10% ethanol 87 in the cold and 89 in the summer.
Tuning idle circuit will help with idle and decel popping, new properly gapped plug, make sure exhaust header bolts are tight, check carb boot. check/clean air filter, oil at proper level, tire pressure. The simple stuff can add up to several mpg.
Every so often I notice that smell from my 09 and see a little bit of green on the skid plate. Its been awhile since this first started and I just can't seem to tell where it is coming from. The overflow bottle is still at an acceptable level, so I guess its not that bad. I suppose I should look a little better one of these days.
Well, I tried most of the above to no luck. Ended up finding a shop that went at it for half an hour with a hammer and punch and only got as far as screwing a screw into the bolt remains. Seems like it will hold for the near future, and when I get around some tools I'll see about a real fix. I would have been annoyed but they did it on the house (late on a Friday three day weekend).
Now when I do actually grind it off, do I need to track down a barrel/nut the same height as stock?