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tooter's grom

This is a discussion on tooter's grom within the Grom Builds forums, part of the Honda Grom Forums category; It sounds a lot deeper in real life because it's just an old Canon 600 that cuts off the low frequencies. It has a smooth ...

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  1. #141
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    It sounds a lot deeper in real life because it's just an old Canon 600 that cuts off the low frequencies.



    It has a smooth sort of "two cylinder" sound because the baffles were intentionally staggered in position which slightly alters the timing of the sound emitted by each pipe. Quite a clever design feature.
    50-50 likes this.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
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    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
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  2. #142
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    Finally got around to adjusting the valves for the first time at 2,000 miles. Pulled the plugs, found TDC, and discovered they were set at .002 and .004. Yikes... that's tight. I adjusted them to .004 and .007 and the idle jumped up to 2,000 so I backed down the air screw. Haven't ridden the bike yet so I don't yet know how this changes things. I'm also curious as to what it will do to the gas mileage.

    If you want to do the job fast and easy, I highly recommend getting a valve adjusting tool. I got a cheap Chinese one and it works great.

    Is the initial factory adjustment always that tight? At least it wasn't .000!
    50-50 likes this.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

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    Which Chinese valve adjustment tool did you use? Got a link or photo?

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  5. #144
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    https://www.ebay.com/itm/Motorcycle-...4_wNzdgByUGuIw

    Quote Originally Posted by 50-50 View Post
    Which Chinese valve adjustment tool did you use? Got a link or photo?
    I got this 8 9 10mm set from China for $5 with free shipping.
    It makes adjusting the valves SO easy.
    50-50 likes this.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

  6. #145
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    Still experimenting with the ported IXIL exhaust. While the ECU was learning, the mileage averaged in the low 120's. Now the average so far is 137.2 which is close to the TOCE. They're two very different exhausts in that the TOCE head pipe is a really long 42 inches

    tooter's grom-img_1100.jpg

    while the IXIL is quite short at only 16 inches.

    tooter's grom-img_1096.jpg

    I'm interested to see what difference that makes in everyday riding conditions, so I'm going to run the IXIL for a long enough time to get a better feel for its performance and gas mileage profile, and then go back to the TOCE for a comparison.
    Attached Thumbnails Attached Thumbnails tooter's grom-img_1098.jpg  
    Last edited by tooter; 05-25-2019 at 10:14 AM. Reason: uite
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

  7. #146
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    how do you like the Toce Exhaust, I'm also thinking going that rout with the finder eliminator kit. kinda funny cause that the same exact color grom I have also. but I'm leaning towards the Akrapovic exhaust also but dont know which one to get. I want it loud AF and run it with the baffles out. how much louder is your Toce with the baffle out?.

  8. #147
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    Quote Originally Posted by Proto006 View Post
    how do you like the Toce Exhaust, I'm also thinking going that rout with the finder eliminator kit. kinda funny cause that the same exact color grom I have also. but I'm leaning towards the Akrapovic exhaust also but dont know which one to get. I want it loud AF and run it with the baffles out. how much louder is your Toce with the baffle out?.
    I have both the TOCE and IXIL exhausts because I like them both. Right now, I'm running the IXIL because I"m still logging gas mileage to see how it compares to the TOCE. Man, I don't even THINK of removing the baffles on the TOCE! It's so fookin loud it sets off car alarms!

    tooter's grom-img_1105.jpg

    tooter's grom-img_1039.jpg


    So if you're looking for a loud exhaust this one will NOT disappoint you. AKRO's are extremely high quality exhausts. I just don't care for "beercan" style exhausts, but that's just personal taste.

    You might consider getting the Hyperpack from TST.





    You save 10% when you get everything at the same time... and everything in this kit fits together perfectly. I had my Grom for only one day when I ordered it.
    Attached Thumbnails Attached Thumbnails tooter's grom-img_1101.jpg  
    Last edited by tooter; 06-02-2019 at 05:50 PM.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

  9. #148
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    Finished with the gas mileage test for the IXIL today, and it logged a respectable 142.1 mpg.

    tooter's grom-img_1144.jpg

    This is with warmer weather, so today I put the TOCE back on to mileage test it under similar weather conditions so as to get an accurate comparison as is reasonably possible.

    Groms really hit the sweet spot for mileage. My 400 DRZ averaged 69 mpg and my 50 Ruckus averaged 118 mpg, so mileage falls off when going either larger or smaller.
    50-50 likes this.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

  10. #149
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    So far the best warm weather mileage for the IXIL is 143.8 mpg and the best for the TOCE is 147.7. This is actually really close results for a very long exhaust and a very short one. The TOCE does pull up hills better so I believe that accounts for the slight edge. But less than 4 mpg is within the margin of error do to different ambient conditions and riding variations. I blacked out the IXIL as part of the "black bike" program.

    tooter's grom-img_1167.jpg

    tooter's grom-img_1168.jpg

    tooter's grom-img_1171.jpg

    I have to say I like the IXIL better as far as its minimalist design and unobtrusive appearance. It's lighter than the TOCE, is tucked in nicely so nothing sticks out, and it sounds smoother due to the staggered twin baffle positions splitting the exhaust pulses in two while causing them to be out of phase with each other giving it a "two cylinder" sound. Quite a uniquely clever design idea.
    Last edited by tooter; 06-15-2019 at 06:29 PM.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

  11. #150
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    Installed a Kitaco clutch cover with a Takagawa high volume oil pump today.

    tooter's grom-9zemkd4.jpg

    I'm going to enjoy changing the oil without having to take the engine apart. Yikes that spinner is heavy!... 2.5 pounds. A half pound of parts went back onto the shaft so the net weight loss is 2 pounds of rotating weight. This puts the Grom's curb weight at 214 pounds, down from the 229 pound stock curb weight. Do it enough and sooner or later it starts to matter because reducing weight has the same effect as increasing performance.

    I didn't experience any tendency of the engine to want to stall out at really low rpms. However, the engine both picks up and loses revs quicker so it "feels" more responsive without actually being any faster. The revs also drop quicker during shifting which feels good and makes for faster shifting without losing any smoothness. And there is also more engine braking when I let off the throttle without the rotating mass of the spinner to keep it moving. The bike slows down faster with less brake input. The engine idles a tiny bit more rough without the spinner's dampening effect to absorb each combustion stroke, but it's not the kind of rough from misfiring, just a little more variance in the idle speed.

    Overall these differences are subtle but nice.

    Someone mentioned a whining sound with the Kitaco, and yes I hear it too and am not the least bit concerned. It's those flat cut gears turning more freely without the inertial load of the spinner soaking up the lash.

    There is no discernable effect of the Takagawa oil pump. Since everything was already apart it was very easy to install, so I did it for the sake of engine longevity.

    I have no idea whether or not the deleted spinner will have any effect on gas mileage. I suspect not... but I'll find that out as I ride more.
    Last edited by tooter; Today at 12:15 AM.
    2018 GROM:
    TST Rear Fender Eliminator
    TST Taillight +Signal Lights
    TST Front Signal Lights
    Dinger Built Extra Long Intake
    IXIL Dual Exhaust
    Yuminashi ECU
    Kitaco Case Cover w/Oil Filter
    Takagawa High Volume Oil Pump
    Honda Monkey Rear Sets
    Honda Monkey Front Fender
    Honda Monkey Fork Guards
    Honda Black Plastics
    G Craft Rear Rack
    Cargo Crate

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