Posted by gazzafield on June 20, 2008, 5:12 pm
Right, I won't go into details as to how I got to this position with my
bike, I shall just say what the symptoms of the fault are and see what
you
think.
Bike revs out cleanly in first to fourth gear. Starts to, I can only
describe it as surge, in fifth and sixth. You can actually feel it
hesitate like a switch on the engine being rapidly turned on and off.
Hills and headwinds lead to a very noticeable speed drop.
What's wrong with it?
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Posted by BryanUT on June 20, 2008, 6:14 pm
message
> Right, I won't go into details as to how I got to this position with my
> bike, I shall just say what the symptoms of the fault are and see what
> you
> think.
> Bike revs out cleanly in first to fourth gear. Starts to, I can only
> describe it as surge, in fifth and sixth. You can actually feel it
> hesitate like a switch on the engine being rapidly turned on and off.
> Hills and headwinds lead to a very noticeable speed drop.
> What's wrong with it?
What kind of bike? Carbs? FI?
Krusty will be along shortly.
Posted by saddlebag on June 20, 2008, 6:45 pm
On Jun 20, 5:12 pm, "gazzafield"
> Right, I won't go into details as to how I got to this position with my
> bike, I shall just say what the symptoms of the fault are and see what
> you
> think.
> Bike revs out cleanly in first to fourth gear. Starts to, I can only
> describe it as surge, in fifth and sixth. You can actually feel it
> hesitate like a switch on the engine being rapidly turned on and off.
> Hills and headwinds lead to a very noticeable speed drop.
> What's wrong with it?
What type/year is the bike?
Posted by Rob Kleinschmidt on June 20, 2008, 8:05 pm
On Jun 20, 2:12 pm, "gazzafield"
> Right, I won't go into details as to how I got to this position with my
> bike, I shall just say what the symptoms of the fault are and see what
> you
> think.
> Bike revs out cleanly in first to fourth gear. Starts to, I can only
> describe it as surge, in fifth and sixth. You can actually feel it
> hesitate like a switch on the engine being rapidly turned on and off.
> Hills and headwinds lead to a very noticeable speed drop.
> What's wrong with it?
If it's carbureted, my bet would be an impaired fuel flow such that
when you've got it wide open pulling a load it draws down the gas
in the float bowls more rapidly than the flow of gas from the tank
can replenish it, a condition which can be caused by crapped up
fuel filters or screens or possibly a blocked vent to the tank
creating
a partial vacuum, all of this of course being purely speculative of
course, since you've neglected to mention the make or model or
type of fuel delivery system.
What do I win ?
Posted by Steve T on June 20, 2008, 8:26 pm
wrote:
:Right, I won't go into details as to how I got to this position with my
:bike, I shall just say what the symptoms of the fault are and see what
:you
:think.
:
:Bike revs out cleanly in first to fourth gear. Starts to, I can only
:describe it as surge, in fifth and sixth. You can actually feel it
:hesitate like a switch on the engine being rapidly turned on and off.
:Hills and headwinds lead to a very noticeable speed drop.
:
:What's wrong with it?
Some current bikes have circuits and throttle body parts that
restrict 5th and 6th gears. My V-Strom has that setup. It's a remote
possibility.
---
Small town person clinging to guns out of bitterness
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> bike, I shall just say what the symptoms of the fault are and see what
> you
> think.
> Bike revs out cleanly in first to fourth gear. Starts to, I can only
> describe it as surge, in fifth and sixth. You can actually feel it
> hesitate like a switch on the engine being rapidly turned on and off.
> Hills and headwinds lead to a very noticeable speed drop.
> What's wrong with it?