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Motorized Bike walk around

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Uploaded by on Sep 2, 2009

Another vid of my Skyhawk gt5 66cc powered Avanti taken after the installation of my new rocksolidengines.com.au performance billet head.

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Uploader Comments (EnFlaMEd)

  • OK i have a fare few Q's .... lol First

    - dose that Head make a diffrence ?

    - 2 dose that expantion chabour give more power and how much louder is it Compared to stock exauser

    - 3 is a boost bottle good 2 buy and dose it actualy work

    - 4 and that it .. THNKS plz anser =)

  • 1. Yes. Noticeable increase in performance. Run 98+octane if you install one. Also you may need to stuff around with the spark plug length as my original one fouled on the piston. Think I used a shorter one in the end.

    2. Expansion chamber definitely gave a power increase. It is a shit load louder though even with the lawn mower muffler

    3. I'm not really sure if it increases power at all. If anything mine just made the engine run a little smoother. No noticeable gain in performance.

  • What is that bottle in the front there? If its boost, are they not supposed to be the size of displacement?

  • @BuddysSnackShack its a boost bottle from boost industries and it is displacement matched.

  • @EnFlaMEd what is your hp and whats your top speed now?

  • @BuddysSnackShack fastest I have gone on the flat was 76kmh. That was in ideal conditions. No wind etc. I have no idea on the HP to be honest. I haven't changed anything on the bike in about a year.

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  • @ctrlaltdlt01 Look up your local laws but most likely cops wont bother. This one is majorly modifide yours will not sound like this.

  • @EnFlaMEd actually in this video the carb is completely standard.

  • @thebentley71

    Just the head is from RSE. The engine itself is just a standard grubee skyhawk gt5 "bad boy". The carb is also standard apart from being over jetted and having a velocity stack. I will definitely be buying a RSE motor for my next build though!

  • thats a rock solid bike engine,com it comes from Australia, just bought one myself. It's a hopped up grubee thats been gutted it has a new crank with needle bearing on both ends of con rod & a new cylinder, head,& piston the carb is also like a delorto with the chambered pipe it's probably putting out around 6-8 hp. that also a jack shaft from sick bike parts.com it allows you to run a chain on the right hand side to your front sprokets with a freewheel attachment so you can use your gears.

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