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Ordered a Sputhe PosiTrac

  • leachy
    leachy
    5 years ago
    Hi All,
    Thought I buy a Sputhe PosiTrac. Its going to get fitted to a a 2016 low rider, which has about 5500kms on it. One of my mates recons im wasting my money but I was surprised at how much the engine moves around on the stock mount. I dont believe there's anything wrong with the mount but it does seem soft. Also getting the Legend cartridge kit for figured the extra rigidity in the forks and drive line it wont hurt.

    Are people still fitting these these stabilizers to newer bikes, obviously not to the latest bikes.

    Regards
    Leachy.
  • Benno
    Benno
    5 years ago
    I'll be keen to hear what you think Leachy, I have been considering them for my 07 Dyna, my engine mounts are original and am getting near 50k now. Done all the brakes and suspension, figure it can only improve further based on what I read.
  • leachy
    leachy
    5 years ago
    Quoting Benno on 13 Sep 2019 04:30 AM

    I'll be keen to hear what you think Leachy, I have been considering them for my 07 Dyna, my engine mounts are original and am getting near 50k now. Done all the brakes and suspension, figure it can only improve further based on what I read.

    Im heading to the USA in a weeks time for work and picking it up while Im there. Ill do the changes when I get back and let you know, should be in by end of October. 
  • Ken in Cairns
    Ken in Cairns
    5 years ago
    The cartridge kit should make a big difference to the feel over the STD stock fork suspension.
    You would have to do one and test the set up then the other to see what component changed the feel and by how much, which from an engineering point of view would be interesting.
    Have a safe trip.
  • robots
    robots
    5 years ago
    Same
  • Krash Kinkade
    Krash Kinkade
    5 years ago
    I had a rear engine mount break, if you have one of these stabilisers  that stop movement you will notice!!
    I was doing a pass at drags, it started doing a bad wobble at 160kph, I would normally hit 200kph or close, I could not go over 160kph & thought here we go as I opened the gas hard and almost threw me off I then kept gas on and also used rear brake that stopped the wobble. I finished up making rear mount rigid  leaving front mount rubber. twin cam dyna carb 2001. at that time , never knew about this, but with my tube frame Buell I fitted a stenzel bar, it is not to stop engine shake, that still happens, it stops forward to rear movement. it made that Buell handle like a champ. I could feel a big gain in steering feel going fast around corners.
  • leachy
    leachy
    5 years ago
    I will be doing the changes one at a time the stabilizer first as Im lazy and its the easiest thing to do. The forks will be late October November as every week is busy. I got some really good twisty roads near my place. I think the only real benefit with be through rough corners, buts that's where I want the stability.
    I probably should have also got the rear but limited funds and a crappy AUD$ doesnt help.

    Ill keep you posted on the outcome.

    Leachy
  • speedzter
    speedzter
    5 years ago
    Hey Leachy, if you do a search on  ' True track '  there are a lot of posts on here about stabilisers.

    I fitted front and rear True tracks due to having some instability both cornering and high speed straight line.
    The True track's improved things substantially for me.
    The PosiTrac and True Track basically achieve the same thing.
    I have since swapped out the front setup for a Predator engine mount that has a built in stabiliser link, mainly because of issues
    with the stock HD rubber mount, and also because I got a used Predator cheap.
    I also run a steering Damper.

    If you ride hard in corners, you WILL notice the difference, but you also need decent suspension.
    It does also depend on the bike as well, obviously a Wideglide/Lowrider/Fatbob etc all behave differently.

  • leachy
    leachy
    5 years ago
    Quoting speedzter on 16 Sep 2019 04:40 AMedited: 16 Sep 2019 04:40 AM

    Hey Leachy, if you do a search on  ' True track '  there are a lot of posts on here about stabilisers.

    I fitted front and rear True tracks due to having some instability both cornering and high speed straight line.
    The True track's improved things substantially for me.
    The PosiTrac and True Track basically achieve the same thing.
    I have since swapped out the front setup for a Predator engine mount that has a built in stabiliser link, mainly because of issues
    with the stock HD rubber mount, and also because I got a used Predator cheap.
    I also run a steering Damper.

    If you ride hard in corners, you WILL notice the difference, but you also need decent suspension.
    It does also depend on the bike as well, obviously a Wideglide/Lowrider/Fatbob etc all behave differently.

    Hi Speedzter,
    Im not looking for a sports bike just something better than the stock crap. I have a couple of other bikes one being a VFR800 which is my good handling bike. I want the Harley as my good cruiser that isnt so mushy up the front.

    Ill be interested to get it sorted out, ill fit the PosiTrac first and go for a run to see if I can notice the difference. Im assuming there will only be a real benefit when its pushed hard.

    Regards
    Leachy 
  • leachy
    leachy
    5 years ago
    Ok, so here is an update. I stuck at home a bit bored with pneumonia so i thought i do somthing. I have fitted the front stabilizer but haven't taken it for a run yet. Dont be fooled by the instructions its not as easy as it says. It took ages to get the bolts out theres almost no room to get them out. one of them lines up with the frame tube, i had to cut it in half to get it out. Also worried about the clearance on the cross frame component hard to see in that pic but its only 2-3mm maximum. Not sure if the engine can really rock forward and under acceleration i think the engine lifts back so should keep its clearance.
    So I'm hoping that there is going to be some difference.





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  • robots
    robots
    5 years ago
    Yeah I think I used the original bolts, couldn’t get them out. 
    Back one not easy on your own either
  • leachy
    leachy
    5 years ago
    Quoting robots on 23 Oct 2019 11:23 AMedited: 23 Oct 2019 11:23 AM

    Yeah I think I used the original bolts, couldn’t get them out. 

    Back one not easy on your own either

    My issue was the front bolt lined up perfectly with the frame tubes. Im thinking that the Dyna frames used to be a bit different when the brace was originally designed, this also why the bracket ends up so close to the cross member. Hopefully I might take it for a run tonight and see if its all OK.
    Worse case scenario is I get someone to make a up a new alloy attachment point that will clear the cross member. It would just need to be CNC milled with the pivot point slightly higher for clearance. It was surprising that just revving the engine on the stand before fitting you could see the engine twisting a little side ways. After fitting and doing the same thing it was just rocking backwards. 
  • Daggs
    Daggs
    5 years ago
    The front of one was quite an easy install on my 2008 Dyna. Wait to you fit the rear lol. Not too bad if you take the rear wheel though and have it up on a decent lift table.
    Not sure what you mean by being surprising that after the install you could see the engine rocking backwards but not sidewards as this is exactly what it is meant to do with the stabiliser fitted.

  • leachy
    leachy
    5 years ago
    Quoting Daggs on 27 Oct 2019 02:49 AMedited: 27 Oct 2019 02:53 AM

    The front of one was quite an easy install on my 2008 Dyna. Wait to you fit the rear lol. Not too bad if you take the rear wheel though and have it up on a decent lift table.

    Not sure what you mean by being surprising that after the install you could see the engine rocking backwards but not sidewards as this is exactly what it is meant to do with the stabiliser fitted.

    Hi Daggs,
    I guess i was surprised at how much the engine moved around before it was fitted. Without the stabilizer you don't really see it.

    So today i took the bike for a run and i was impressed, there seemed to be less vibration around the 2000rpm. The mirrors were much clearer. What i did notice is that i needed to stiffen up the rear. It seemed a lot more responsive or more sensitive to steering input. Basically its firmed up the bike and if the rear gives the same benefit ill be fitting it.

    Next weekend is the fitting of the Legend cartridges .
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