Project: Grom 2.0

[Jim]

took it out for a ride yesterday evening and made a mental list of things to adjust.

- moved the brake line as the angle was not smooth. then had to bleed the brakes again.
- loosen header pipe and twist it to see if the muffler can go higher.
- drill a new hole on the exhaust hanger from above
- tire pressures are low and need air
- tighten chain more
- dash needs to learn all 6 gears. currently only learned 1-4.

other than that, it's good. just need to keep adding miles for the autotune to make a map

[butcher bergs]

Soooo......Super Street?

[Jim]

Soooo......Super Street?

i did a follow up last night for them to check with the peeps in charge if they're ok with it. the key is for them to say CBR300 and not Grom.

i have fresh tires and angled valve stems to put on at NHMS. also just got a new pitbull mini front pin stand for the bike, thanks to Boston Moto.

all i have left is to get 200 miles on this bike so the aRacer will make a map.

[Jim]

MotionPro Rev3 kit and kill switch ordered

[Jim]

It’s official




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[FriskyDingo]

hope you enjoy riding it as much as you seemed to enjoy building it, great work!!


how about for your next project, HOP up this old Grom engine and put it in a Honda Navi...

[Jim]

hope you enjoy riding it as much as you seemed to enjoy building it, great work!!


how about for your next project, HOP up this old Grom engine and put it in a Honda Navi...

just took it on the highway for lunch for the first time. the old OEM tires are junk and out of balance. i have new michelin tires to go on for the Classic weekend.

the Navi is an automatic and completely different. the Monkey would be a better project and they're super cool looking.

[OneCheekRider]

I know you're still working through things but what's the initial impression?

This thread might make me sell my Z125 and do something similar...

[Jim]

so yesterday I installed the "B" return cable for a 2014-2015 Grom for the throttle bodies, and tried to fit a 2006 R6 throttle tube for shorter throw. what a pain.

besides my after market side fairing, i had to remove the OEM side fairing under which goes all the way to the undertail. which also means i had to remove the exhaust can because i couldnt get to the philips screws right above the can. the can was also safety wired because i didnt have springs that short. took it all apart to see that the OG cable was still too short on the throttle bodies. the swap groups that know this stuff convinced me that they fit, and maybe they do....but mine wouldnt.

so i left the cable in there not connected to the TB's and put it all back together. the R6 tube didnt clear the control assembly, so it was a 2+ hour waste of time. but at least now the RH control doesnt have a hole where the return cable goes.

[Jim]

I know you're still working through things but what's the initial impression?

This thread might make me sell my Z125 and do something similar...

i need to hit the 200 mile mark to complete the map on the aRacer before i can really give it a for review. i'll have new tires on it this weekend at the Classic. My first highway ride was scary as the OEM 2018 tires were shot and way unbalanced. it was vibrating crazy at 75 MPH. This build has given me nothing but problems since day 1, so i've had a sour opinion on this bike.

I love my 2v 181 NEO Grom as it's very torquey. only issue with that bike is you cant cruise in the pits with low throttle. the bike needs constant throttle or I'll be very jerky. the 300 feels more powerful, but doesnt have that instant torque like my 181 does. but we'll see after i complete the map.

for those interested:
CBR 250 motor: 20 hp
2v 181 NEO build: ~22hp
CBR 300 motor: 30 hp