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20 Dec 2004
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Contributing Member
Veteran HUBBer
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Join Date: Sep 2004
Location: belgium but now on the silk road
Posts: 140
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carburator on altitude
hello,
i found out that climbing from sealevel to an altitude up to 2500 meters higher has a big influence on my bike. has something to do with my yamaha's ttr 250 carburator i suppose.(airpressure, no?) im not a very big mechanic myself, so has somebody some tips on that or should i adjust it all the time?
thanks
niels
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20 Dec 2004
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HU Founder
Veteran HUBBer
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Join Date: Dec 1997
Location: BC Canada
Posts: 7,324
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Do a search in the Search box above, HUBB & Website for:
carb altitude rich jetting
and you'll find 9 very relevant documents to help you along!
You DO want to make some changes, just don't want to go crazy all the time changing it!
MOST important, don't lean it out for altitude and then not bother to richen it up as you go down. Some have found out the hard (expensive) way that's not a good thing.
Too rich is ok, too lean is NOT!
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Grant Johnson
Seek, and ye shall find.
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One world, Two wheels.
www.HorizonsUnlimited.com
__________________
Grant Johnson
Seek, and ye shall find.
------------------------
Inspiring, Informing and Connecting travellers since 1997!
www.HorizonsUnlimited.com
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10 Jan 2005
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Contributing Member
Veteran HUBBer
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Join Date: Sep 2004
Location: belgium but now on the silk road
Posts: 140
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hi grant,
thanks for the tip but when i open the results in the search box they are massive reading, full on reports that i can not read because off superslow internet connections and lack of time.
is there any other info available?
thanks
niels
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10 Jan 2005
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Contributing Member
Veteran HUBBer
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Join Date: Sep 2003
Location: Whangarei, NZ
Posts: 2,214
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1. Check air filter is clean.
2. Remove air filter while at altitude.
3. Lower needle in carb.
4. Install new main jet one size smaller.
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Salut from Southern France, the bikers' paradise,
Peter.
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13 Jan 2005
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Contributing Member
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Join Date: Sep 2004
Location: belgium but now on the silk road
Posts: 140
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thanks peter,
next week in pakistan i will give it a go.
and south france is the bikersparadise.maybe i see you around somewhere in may as i probably visit nice and my uncle appartment in marina baye des anges.
greetz
niels
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14 Jan 2005
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Contributing Member
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Join Date: Sep 2003
Location: Whangarei, NZ
Posts: 2,214
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Check the RAW segments; Grant, your HU host is on every month!
Episodes below to listen to while you, err, pretend to do something or other...
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Ripcord travel protection is now available for ALL nationalities, and travel is covered on motorcycles of all sizes!
What others say about HU...
"This site is the BIBLE for international bike travelers." Greg, Australia
"Thank you! The web site, The travels, The insight, The inspiration, Everything, just thanks." Colin, UK
"My friend and I are planning a trip from Singapore to England... We found (the HU) site invaluable as an aid to planning and have based a lot of our purchases (bikes, riding gear, etc.) on what we have learned from this site." Phil, Australia
"I for one always had an adventurous spirit, but you and Susan lit the fire for my trip and I'll be forever grateful for what you two do to inspire others to just do it." Brent, USA
"Your website is a mecca of valuable information and the (video) series is informative, entertaining, and inspiring!" Jennifer, Canada
"Your worldwide organisation and events are the Go To places to for all serious touring and aspiring touring bikers." Trevor, South Africa
"This is the answer to all my questions." Haydn, Australia
"Keep going the excellent work you are doing for Horizons Unlimited - I love it!" Thomas, Germany
Lots more comments here!
Diaries of a compulsive traveller
by Graham Field
Book, eBook, Audiobook
"A compelling, honest, inspiring and entertaining writing style with a built-in feel-good factor" Get them NOW from the authors' website and Amazon.com, Amazon.ca, Amazon.co.uk.
Back Road Map Books and Backroad GPS Maps for all of Canada - a must have!
New to Horizons Unlimited?
New to motorcycle travelling? New to the HU site? Confused? Too many options? It's really very simple - just 4 easy steps!
Horizons Unlimited was founded in 1997 by Grant and Susan Johnson following their journey around the world on a BMW R80G/S.
Read more about Grant & Susan's story
Membership - help keep us going!
Horizons Unlimited is not a big multi-national company, just two people who love motorcycle travel and have grown what started as a hobby in 1997 into a full time job (usually 8-10 hours per day and 7 days a week) and a labour of love. To keep it going and a roof over our heads, we run events all over the world with the help of volunteers; we sell inspirational and informative DVDs; we have a few selected advertisers; and we make a small amount from memberships.
You don't have to be a Member to come to an HU meeting, access the website, or ask questions on the HUBB. What you get for your membership contribution is our sincere gratitude, good karma and knowing that you're helping to keep the motorcycle travel dream alive. Contributing Members and Gold Members do get additional features on the HUBB. Here's a list of all the Member benefits on the HUBB.
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