Rostra Cruise Control Install January 2014

rfulcher

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Jun 13, 2013
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Florence, SC
I installed a Rostra Electronic cruise control on my 2013 over the holidays. I haven’t seen a posting on this recently. I have installed 4 or 5 Audiovox vacuum operated cruise controls in the past and this was still challenging. The Rostra was actually simpler once the connections were located and verified. Thanks to Gary AKA SuperCruise on AdvRider forum. It took a couple of days with most of the time absorbed with problem solving, thinking things through, and double checking my work. I probably spent a couple of hours just thinking about and checking the linkage to the throttle bell crank and servo placement. I would not have thought that the servo would fit under the seat without the thread by justbob on this forum. I could probably install a Rostra unit in a day now.

Working on this sure makes the 2014 Super Tenere with OEM cruise look good.

I ordered the Rostra servo, control pad with engagement light, and the mounting bracket from murphskits.com. I cut and drilled the bracket for better fit. It would be easy to make from aluminum angle stock.

My main reference sites were:
http://users.tpg.com.au/roger38/Rostra%20XT1200Z.htm
http://www.yamahasupertenere.com/index.php?topic=1820.0

I used this http://users.tpg.com.au/roger38/Rostra%20XT1200Z.htm for inspiration. It was very helpful for wiring and electrical connections as well as DIP switch settings on the servo. I don’t think I would have taken this task on without this reference source.

One major change in the wiring is that the light green wire used for the VSS leaves the servo, enters a wiring bundle on the wiring harness and does not come out the other side. I removed the tape from the junction and found the light green wire cut and taped off. I called Rostra and the customer service tech said they no longer use the light green VSS method and recommend using the blue tach/coil wire. The tech stated the function of the light green wire is unchanged. I simply extended the light green wire and used it as recommended by Gary (SuperCruise on Advrider)

I used this http://www.yamahasupertenere.com/index.php?topic=1820.0 for installing the servo under the seat. I used a heat gun to soften and flatten the “bumps” in the plastic tray and the Rostra servo fits snuggly. It looks like it belongs in this location. I will probably cut and refit the plastic shield for the ABS unit but this is not necessary.



INSERT TRAY PHOTOS HERE

Connecting the servo cable to the throttle bell crank was the part of installation that caused me the most anxiety. I used a different approach from the other write-ups. I have installed several Audiovox vacuum servo cruise control units and had parts left over. One of the left over parts was a clamp that mounts the servo cable parallel to the throttle cable. I used this to clamp the servo cable to the throttle cable.







The servo cable was attached to the ball chain with 3 balls showing, five balls total. This was calculated using directions in the manual given the measured movement of the throttle bell crank. The ball chain was attached to the smallest eyelet connector included with the servo. I drilled a small hole in the bell crank idle stop. I put a 4-40 screw through the hole, attached it to the idle stop with a nylock bolt, the eyelet over the nylock 4-40 bolt, a washer, and finally another nylock nut. I did not tighten the final nylock nut against the eyelet. I left slight clearance so the eyelet can move freely. The nylock does not have to be torqued against a surface to stay in place, I hope :-\. I used a fresh unused nylock for the final assembly. The slight clearance allows slight movement and relieves stress. The fit is close and the 4-40 screw needs to be as short as possible. The “stack” is: 4- 40 screw, bell crank, nylock nut, eyelet, washer, nylock nut. this was a PIA. I messed with this for a long time to assure myself it would work safely without hanging up or binding.





I decided how I wanted to install the servo cable. Other's have done it differently. You have to make your own choice. Your bike your decision.

I also installed the optional control switch with the engaged light. This requires the orange wire from the servo. Rostra also cut and taped off this wire. I extended this wire to the relay needed for the engaged light. I followed the instruction included with the control pad. I installed the engaged indicator light relay behind the servo. I like the engaged indicator light but am not sure it was worth the effort. I sealed the control pad with acid free silicon fish tank sealant. Fish and electronics don't like acid sealant. Be careful not to overdo this as the sealant might make the switches too stiff. I learned this the hard way

Brackets from Murphskits and fabricated from aluminum angle stock






The cruise control engages smoothly without hesitation. It holds speed +- 1 mph on most roads and on roads with climbs and descents normally holds within 1-2 mph. It briefly and rarely varies 3 mph when the road slope changes dramatically. It works as well as a car cruise control down to about 50 mph in sport mode and down to 35 mph in tour mode. I have the Gen 2 reflash. It will hold steady at any speed I have tried ::013:: I have been on a couple of 200 mile rides without problems. Time will tell ::001::
 

jaeger22

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Great job! Nice clean install. I have been running mine for a bit over a year and about 32K miles and no problems. The Rostra is a bit of work to install but it has been a great unit and a really big help on long trips. I did the under the seat install also. It is a tight fit but as you said, once you get it in there it looks like it was made that way from the factory.
John ::001::
 

BButl

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Indiana
Guys....thinking of purchasing one of these Rostra cruise controls. Yours still working good? Thanks
 

justbob

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Mine is still working fine, its been on the bike for more than 30,000 miles.
 

maddog5150

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Awesome write up. Scares the crap out of me thinking of doing it though...... ???

Guess I need to save up for a 2014 O:)
 

t2sfd

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When you removed the gas tank, did the quick connect coupling hold, or did you have to remove the fuel first?

rfulcher said:
No problems with mine since the install in early January.
 

Karson

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t2sfd said:
When you removed the gas tank, did the quick connect coupling hold, or did you have to remove the fuel first?
Help the vent hoses up along the motor and just lift the tank and wrap some tiedowns around it to hold it up No fuel removal required.
 

rfulcher

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Florence, SC
I usually take the tank off instead of propping it up. It is not that much trouble to remove and access to the components is much easier. The check valve in the quick disconnect works fine. For some reason my tank is always full when I decide to remove it. It is much easier to remove when it is on reserve.
 

t2sfd

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Worked as described, took the tank off (1/2 full) no problems.
 

Podman

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Mar 2, 2011
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I have a question about the wiring of this unit. Pretty much understand everything except the relay wiring. There are 5 wires (red,yellow,black,blue and white) on the relay. White goes to yellow brake switch , black goes to ground on bike, Violet from the "unit" does that go to red on the relay. Are yellow and blue wires used?
 

Wistrick

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Jul 21, 2013
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sorry to bring up an old topic...But plan on asking Santa for one of these....I like the servo unit mounted under the seat...But I have only seen 2 options for hooking up the throttle linkage, and one used left over part from another install...What is the best way to install the throttle linkage with the parts in the kit......

thanks

Dan
 

jaeger22

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I used the loop attachment in the kit and drilled a hole for a cotter pin in the throttle wheel. I added some heat shrink to smooth it out.



I fabricated this bracket from aluminum to hold the outer cable. It still has a bit too much slack but it works well so I have left it alone. 44,000 miles now with no issues. I love it. ::012:: It is a huge help on long trips. Much much better than a throttle lock, especially in hilly areas like out west.

 

Wistrick

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Jul 21, 2013
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ok I am working on this instal as we speak, how did u guys drill that hole in the wheel, no way my drill is gonna fit in there...
 

Wistrick

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Jul 21, 2013
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rush2112 said:
Had to remove the black plastic in picture

Sent from my Nexus 5 using Tapatalk
still confused cause if you remove the black piece isn't that other arm behind it blocking the drill???? What is I missing here???
 

Wistrick

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Jul 21, 2013
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one more question how did u guys make ur electrical taps??? I am guess not with the supplied tap connectors???
 
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