Group, I have been off the list for the past month doing some very
extensive (and expensive) research on the performance of KLR650's at
high altitudes. I think that I have the definitive word.
Earlier this year, I asked the collective wisdom of the list for what
kind of changes needed to made to operate a KLR at very high altitudes.
While there were differences of opinion, most said that no changes were
necessary. As part of a group of 5 KLR's, I rode from Xian China, to
Tibet, and then to Kathmandu. We spent a week above 15,000 ft, rode
across 5 passes above 17,000 ft and reached a maximum altitude of 17,300
ft. I made no changes to the KLR carb/air filter.
Conclusion - it worked just fine. I had plenty of power for both
roaring down the road and going offroad. If anyone is going to ride
higher than 17,300 ft, they may need oxygen assist for themselves.
At 15,000 ft, the engine was showing some energy loss. My top speed was
limited to about 75 miles per hour. One of the group, had a K&N, high
altitude (stage 2) jet kit installed and a modified (extra holes)
airbox. He had a top speed at altitude of 85 mph. Realistically
because of the roads, I could go just as fast as he could.
A couple of us from the trip will put together a trip report for the
list. First however, I need to recover from the trip.
Randy
for sale: new stator
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carb. mods. for high altitudes
Randy: I appreciate the high altitude info. I was concerned about how the KLR
would handle the Andes and their crappie fuel in South America.
Lew Waterman
Punky & Lew's Americas Motopaseo
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- Joined: Thu Apr 06, 2000 11:58 am
carb. mods. for high altitudes
Good info. I have had mine over 13,000'. While I didn't notice so much as
a stutter, I got a lot more back fires, and performance was noticeably
weaker. I removed the little door over the airbox as I was in relatively
dust free conditions, and that helped quite a bit. Very easy temporary
'fix'.
Steve Anderson
--- In DSN_klr650@egroups.com, Randy.Hoskins@w... wrote: > Group, I have been off the list for the past month doing some very > extensive (and expensive) research on the performance of KLR650's at > high altitudes. I think that I have the definitive word. > > Earlier this year, I asked the collective wisdom of the list for what > kind of changes needed to made to operate a KLR at very high altitudes. > While there were differences of opinion, most said that no changes were > necessary. As part of a group of 5 KLR's, I rode from Xian China, to > Tibet, and then to Kathmandu. We spent a week above 15,000 ft, rode > across 5 passes above 17,000 ft and reached a maximum altitude of 17,300 > ft. I made no changes to the KLR carb/air filter. > > Conclusion - it worked just fine. I had plenty of power for both > roaring down the road and going offroad. If anyone is going to ride > higher than 17,300 ft, they may need oxygen assist for themselves. > > At 15,000 ft, the engine was showing some energy loss. My top speed was > limited to about 75 miles per hour. One of the group, had a K&N, high > altitude (stage 2) jet kit installed and a modified (extra holes) > airbox. He had a top speed at altitude of 85 mph. Realistically > because of the roads, I could go just as fast as he could. > > A couple of us from the trip will put together a trip report for the > list. First however, I need to recover from the trip. > > Randy
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- Posts: 44
- Joined: Sun Aug 06, 2000 9:25 pm
carb. mods. for high altitudes
Steve,
I had no problems with backfires. One member of the group made an
airbox door change like you did. His speed and mine seemed to be
comparable, but things seemed to more limited by road quality (or lack
thereof) than engine performance. I did notice that he seemed to be
running leaner than I was (better gas mileage).
Randy
Steve Anderson wrote:
> > Good info. I have had mine over 13,000'. While I didn't notice so > much as a stutter, I got a lot more back fires, and performance was > noticeably weaker. I removed the little door over the airbox as I as > in relatively dust free conditions, and that helped quite a bit. > Very easy temporary 'fix'. > > Steve Anderson > > --- In DSN_klr650@egroups.com, Randy.Hoskins@w... wrote: > > Group, I have been off the list for the past month doing some very > > extensive (and expensive) research on the performance of KLR650's at > > high altitudes. I think that I have the definitive word. > > > > Earlier this year, I asked the collective wisdom of the list for > what > > kind of changes needed to made to operate a KLR at very high > altitudes. > > While there were differences of opinion, most said that no changes > were > > necessary. As part of a group of 5 KLR's, I rode from Xian China, > to > > Tibet, and then to Kathmandu. We spent a week above 15,000 ft, rode > > across 5 passes above 17,000 ft and reached a maximum altitude of > 17,300 > > ft. I made no changes to the KLR carb/air filter. > > > > Conclusion - it worked just fine. I had plenty of power for both > > roaring down the road and going offroad. If anyone is going to ride > > higher than 17,300 ft, they may need oxygen assist for themselves. > > > > At 15,000 ft, the engine was showing some energy loss. My top > speed was > > limited to about 75 miles per hour. One of the group, had a K&N, > high > > altitude (stage 2) jet kit installed and a modified (extra holes) > > airbox. He had a top speed at altitude of 85 mph. Realistically > > because of the roads, I could go just as fast as he could. > > > > A couple of us from the trip will put together a trip report for the > > list. First however, I need to recover from the trip. > > > > Randy
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for sale: new stator
I have for sale a brand new stator. I purchased it during a roadtrip
this summer, but never needed it. Prior to installing the stator we
found that some wires simply were cut and my original stator was fine.
Email me a reasonable offer, otherwise I'll return it to the place of
purchase and pay the 10% restocking fee.
-Falke
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