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Sur-Ron Modifications, adjustments, tips & tricks

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  • Rodney64
    started a topic Sur-Ron Modifications, adjustments, tips & tricks

    Sur-Ron Modifications, adjustments, tips & tricks

    Modifications, adjustments, tips & tricks


    Here is the list of the available modifications, tips & trick:
    Last edited by Rodney64; 06-25-2018, 10:28 PM.

  • paxtana
    commented on 's reply
    Typically on these types of connectors there is a tab that latches it into position, you may need to move the tab to unplug it.

  • deserthi
    commented on 's reply
    I unbolted the ignition but could not get it off. It simply would not come out. I feel like such a klutz!

  • paxtana
    commented on 's reply
    Yes, if you do this mod you can do that, also probably stuff like burnouts

  • jbroderick
    commented on 's reply
    So if I remove the e brake sensor I can now trail brake (accelerate and use braking a the same time)?

  • paxtana
    replied
    Moving the seat back
    (for larger riders)

    Click image for larger version  Name:	image_15779.jpg Views:	2 Size:	2.37 MB ID:	81523

    Bolt a strip of metal to the factory mounting points and bolt the seat 5.5” back on the strip of metal.

    Click image for larger version  Name:	image_15780.jpg Views:	2 Size:	1.82 MB ID:	81522

    Leave a comment:


  • Senor_Martillo
    replied
    Removing kickstand cutoff sensor: Since this sensor is very exposed to damage and water intrusion, it can interrupt motor function with the slightest amount of damage (happened to me after riding through a 6" deep puddle) Fortunately its easy to remove:

    Step 1: remove bash guard/skid plate
    Step 2: cut away rubber/vinyl boot surround wire connectors
    Step 3: unplug connector that runs back to kickstand sensor
    Step 4: Re-wrap wire connectors in shrink wrap or gorilla tape to protect from water intrusion, replace bash guard/skid plate

    Step 5 (the most important step): Don't be a Joey and hurt yourself because you rode off with the kickstand down. You remember the dirtbike you had as a kid? It didn't have a kickstand safety cutoff, and now your Sur-Ron doesn't either.



    Click image for larger version

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    Attached Files
    Remove bash guard/skid plate Carefully cut away vinyl boot surrounding connectors Unplug connector running back to kickstand sensor.
    Last edited by Senor_Martillo; 12-23-2018, 07:11 AM.

    Leave a comment:


  • Jasdidit
    commented on 's reply
    The brake sensor bolt is an M7 1.0 pitch, if you want to install a bolt to seal it.

  • paxtana
    replied
    Aftermarket cranks for the Sur-Ron pedal system


    These cranks are lightweight aluminum with a good offset.
    Confirmed these will fit but they are about half an inch longer than stock.

    Click image for larger version  Name:	image.png Views:	1 Size:	2.12 MB ID:	79095



    Unconfirmed but also possibly suitable from the specs:

    These cranks are also aluminum, little less expensive.
    These have not been confirmed yet, but are likely to work (no promises though)

    Leave a comment:


  • paxtana
    replied
    How to service Sur-Ron pedal system

    This is typically useful if the kit develops play at the spindle. This covers full rebuild, reassembly and typical pitfalls / solutions.

    Leave a comment:


  • paxtana
    replied
    How to adjust Sur-Ron belt tension

    (May be useful if the belt is squeaking a lot)

    Leave a comment:


  • Jasdidit
    replied
    How to remove the seat from a Sur-Ron

    These are the tools you will need.
    Click image for larger versionName:	IMG_2635.JPGViews:	1Size:	2.65 MBID:	78060

































    Here is my method for popping off the plastic button-head "rivets".
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    Here is a picture of the expanding bit, once the button-head is removed.
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    Here are both parts of the plastic "rivets", only slightly worse for wear.
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    Here is the whole "rivet". You can see how pushing in the pin, expands the inside to hold it in place.
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    There are three on each side and two in the front, see below.

    Click image for larger versionName:	image_15151.jpgViews:	1Size:	86.2 KBID:	78065

    Once you get all of those out, the plastic cover just drops down. Then you need to unplug or unbolt the brake light, see above. There are only 4 bolts holding the seat on, but the rear fender bit needs to pushed towards the front of the bike to release it, so the seat can be removed. See below.
    Click image for larger versionName:	IMG_2645.JPGViews:	1Size:	2.15 MBID:	78066
























    Don't forget the fender bit when you put it back on! It actually goes on after the seat, but before the installation nuts.

    Leave a comment:


  • Sebz
    replied
    Picking the right front fender for your Sur-ron

    The surRon comes with the RST fork or the DNM/fastace inverted forks.

    For the RST you can use any mountain bike fender you like, under the cross brace or under the front crown

    But if you go for a "under the front crown type" you will need to check if that the cross brace clears the fender when it's fully compressed or you will break it right away,

    Picture below is a Topeak Defender FX fender kit, it clears the cross brace fine and installs in minutes.

    Click image for larger version  Name:	IMG_2709.JPG Views:	1 Size:	1.06 MB ID:	75768

    If you dont like that style you can go for the "under the cross brace type"

    like this one from Mark K, he used a
    Mudhugger Long Front Fender

    Click image for larger version  Name:	DSCF2201.jpg Views:	1 Size:	132.8 KB ID:	75769


    If you have the inverted type you cannot use a over the tire fender because you don't have a cross -brace, so you will need a fender that is fixed under the lower crown like the Topeak shown. Since you don't have to worry about the cross brace hitting the fender you can use any mini-motocross fender you like but you will likely have to fabricate a mounting plate.

    Picture is a Topeak defender on the RST fork, but can be fitted on the inverted forks.


    Click image for larger version  Name:	IMG_2615.JPG Views:	1 Size:	1.45 MB ID:	75770

    Another option: topeak defender xc1

    https://media.rivet.works/2c42514a24b14846bb6fe42df4ce854a.jpeg

    DNM Fork users ONLY:

    We have stocked this fender which will work and is a more ideal solution than the topeak defender fork:

    https://lunacycle.com/sur-ron-x-front-fender/

    Leave a comment:


  • Sebz
    replied
    Setting up the rear shock

    The shock (either the DNM or the Fastace) like the front fork has a rebound adjustment and a compression adjustment. these work the same way as the front fork and need proper setup, please read the fork setup guide.

    What differs from the fork is the spring pre-load adjustment and this is what we will cover here:


    Your Sur-Ron light bee is probably set at the loosest setting possible so it's important to check the rear spring.

    By this I don't mean to say to tighten down the spring a lot, too much pre-load will make the ride harsh and will require too much force to move the shock. If you are too heavy for the spring (just by sitting on it you get over 35% sag) or that you jumps cliffs for a living and bottom out on the stock spring then best would be to change the spring rate to get the proper sag and proper pre-load.

    Lift the rear wheel up and sit the bike on a stool or a box. Grab the spring if you can move it or if you can turn the lock nut over the spring with your bare hand then it's too loose, But If you can rotate the spring and not the lock ring with your hand it's likely OK.


    If you only need to tighten the lock-ring 1/2 turn or a full turn you can do the caveman technique and use a big flat-head screwdriver and hammer, be gentle you don't want to dent the lock ring. I personally used this technique as I only needed about 3/4 of a turn. Proper sag should be around 20% of the full travel, I weight about 170lbs with gear and I get good enough sag without much pre-load.



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    If you need to apply more than just a turn then maybe it's best to remove the rear shock and use a locking ring spanner wrench.

    Click on the pic to enlarge.

    Click image for larger version

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    Thanks Jonathan B for detailed instructions.

    Leave a comment:


  • Sebz
    replied
    Need to make a key copy?

    Click on the pic to enlarge.

    Ilco X121 DC3


    Click image for larger version

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    Leave a comment:

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