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FJR Motorcycle Forums
Technical & Mechanical Problems
Gen I Rostra Install Advice Needed
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<blockquote data-quote="NTXFJR" data-source="post: 1293470" data-attributes="member: 88839"><p>Thanks guys for all of your ideas and input. I'm leaning toward going forward with the Rostra kit which just came in along with the magnetic bolts.</p><p></p><p>So, when I was looking at the vss kit from Rostra, they included a shematic that showed where the vss kit signal input wire is connected inside the Rostra control unit to the gray wire. Makes sense in light of the posts I guess.</p><p></p><p>Next question: For those that have used the vss pick up coil and magnets, either for the CCS100 or the Rostra, how many magnets did you use? I'm thinking a higher pulse count is better?</p><p></p><p>The Rostra vss kit is drawn up for automotive applications and shows 1 or 2 magnets on a drive shaft (faster rpms) of a rear wheel drive car, or 2 or 4 magnets on the cv joint (slower rpms) of a front wheel drive car. I'm thinking that the front wheel drive car type is the most similar to a bike wheel mounted method.</p><p></p><p>After deciding to go with the vss kit, I had planned to replace all 6 button head bolts on the rear brake rotor with the Koso hex head bolts that have magnet inserts, thinking that more pulses would give better resolution and better speed regulation. I'm now thinking that may not be enough dwell time between pulses to allow the signal to go low enough before the next magnet comes around. So the other options I see are 1 magnet (815ppm) and thinking to rule this one out based on Rostra's install manual, 2 magnets (1630ppm), or 3 magnets (2445ppm). Thoughts?</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="NTXFJR, post: 1293470, member: 88839"] Thanks guys for all of your ideas and input. I'm leaning toward going forward with the Rostra kit which just came in along with the magnetic bolts. So, when I was looking at the vss kit from Rostra, they included a shematic that showed where the vss kit signal input wire is connected inside the Rostra control unit to the gray wire. Makes sense in light of the posts I guess. Next question: For those that have used the vss pick up coil and magnets, either for the CCS100 or the Rostra, how many magnets did you use? I'm thinking a higher pulse count is better? The Rostra vss kit is drawn up for automotive applications and shows 1 or 2 magnets on a drive shaft (faster rpms) of a rear wheel drive car, or 2 or 4 magnets on the cv joint (slower rpms) of a front wheel drive car. I'm thinking that the front wheel drive car type is the most similar to a bike wheel mounted method. After deciding to go with the vss kit, I had planned to replace all 6 button head bolts on the rear brake rotor with the Koso hex head bolts that have magnet inserts, thinking that more pulses would give better resolution and better speed regulation. I'm now thinking that may not be enough dwell time between pulses to allow the signal to go low enough before the next magnet comes around. So the other options I see are 1 magnet (815ppm) and thinking to rule this one out based on Rostra's install manual, 2 magnets (1630ppm), or 3 magnets (2445ppm). Thoughts? Thanks [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Gen I Rostra Install Advice Needed
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