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FJR Motorcycle Forums
Technical & Mechanical Problems
New cruise control get flaky with time/miles
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<blockquote data-quote="rfulcher" data-source="post: 238292" data-attributes="member: 5085"><p>Just got back from a 70 mile ride to test the AVCC ...again... :angry2: I tried Constant Mesh's idea of using engine braking to recharge the vacuum canister. It seemed to help. I did not have a chance to try a steady 80 mph or any inclines but I was able to run at 68 MPH for 5 miles stretches (ran out of road, got to the next town) and 70+ a few times. It did cut off a couple of times but when I coasted with the clutch engaged it seemed to recharge, what a PIA. The performance did not seem to degrade as badly or as quickly if I used engine braking when it cut off. The frequency of shut off did not increase with time. My impression is that the servo is weak, to the point of being faulty, and takes almost all of the vacuum and does not catch up with out engine braking. I think this kind of ruled out electrical issues.</p><p></p><p>The air temp was around 60 during the ride tonight so maybe the cooler air helped somewhat.</p><p></p><p>Tomorrow I will try to get on the I-95 and cruise at about 78-80+ mph and repeat the test. I may also try to run the servo cable with more gradual bends to make sure it isn't binding.</p><p></p><p>I released the middle throttle return spring prior to installing the AVCC.</p><p></p><p>Ross</p></blockquote><p></p>
[QUOTE="rfulcher, post: 238292, member: 5085"] Just got back from a 70 mile ride to test the AVCC ...again... :angry2: I tried Constant Mesh's idea of using engine braking to recharge the vacuum canister. It seemed to help. I did not have a chance to try a steady 80 mph or any inclines but I was able to run at 68 MPH for 5 miles stretches (ran out of road, got to the next town) and 70+ a few times. It did cut off a couple of times but when I coasted with the clutch engaged it seemed to recharge, what a PIA. The performance did not seem to degrade as badly or as quickly if I used engine braking when it cut off. The frequency of shut off did not increase with time. My impression is that the servo is weak, to the point of being faulty, and takes almost all of the vacuum and does not catch up with out engine braking. I think this kind of ruled out electrical issues. The air temp was around 60 during the ride tonight so maybe the cooler air helped somewhat. Tomorrow I will try to get on the I-95 and cruise at about 78-80+ mph and repeat the test. I may also try to run the servo cable with more gradual bends to make sure it isn't binding. I released the middle throttle return spring prior to installing the AVCC. Ross [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
New cruise control get flaky with time/miles
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