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Hitting Mnnthbx up on a sprocket, curious if I will need a new chain or should it fit ok?
Going 2 up in the rear sprocket
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36 T rear sprocket will be no problem for the chain.
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Thx bud
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Is your mileage accurate @ 25?
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you do know going -1 in the front is almost identical as going +2 in the rear, and its alot cheaper, were talking about $6 front sprocket or $40 for the rear
math
15/34 - 2.26
14/34 - 2.42
15/36 - 2.40
2.4 and 2.42 is pretty close IMO
im going -1/-2
14/32 - 2.28 close to stock, but i loose alot of spinning inertia on the front/rear sprockets, should be good, i did the same thing on my r1 i went -2/-2
and this is a common thing to do, even though people dont think its that common, you have to remember the bike makes 9hp on a good day, shedding some weight here and there will only help it
math
15/34 - 2.26
14/34 - 2.42
15/36 - 2.40
2.4 and 2.42 is pretty close IMO
im going -1/-2
14/32 - 2.28 close to stock, but i loose alot of spinning inertia on the front/rear sprockets, should be good, i did the same thing on my r1 i went -2/-2
and this is a common thing to do, even though people dont think its that common, you have to remember the bike makes 9hp on a good day, shedding some weight here and there will only help it
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3,802 Posts
True but it is generally better for a chain to run with larger sprockets than smaller sprockets. Plus a $6 front sprocket leaves me with the crappy looking factory rear. I like the bling of my rear sprocket.
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your correct, the only downside of going - is increased sprocket/chain wear
however its been proven in the r1 world with 160+hp on the rear wheel, in thousands of trackday/race/street miles that the wear is negligible
also these groms make very little hp, and the chain is like $20, but if its bling your after, thats different, just trying to give you a heads up for the $/performance factor, it would be cheaper to go -1
however its been proven in the r1 world with 160+hp on the rear wheel, in thousands of trackday/race/street miles that the wear is negligible
also these groms make very little hp, and the chain is like $20, but if its bling your after, thats different, just trying to give you a heads up for the $/performance factor, it would be cheaper to go -1
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I asked the question because he said he replaced the chain due to stretch and thought that was pretty quick. That ok with you chief?
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I wanted the rear sprocket just due to a larger circumference and lesser chain wear. I guess I could've went that route but I didn't.
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3,802 Posts
Yes I replaced my stock chain early. It had stretched after the first 50 miles and then again a couple hundred later and stretched a LOT IMO. It's not a quality piece and I wanted to get rid of it ASAP.
Of course YMMV
Sent from my iPhone using HondaGrom.net
Of course YMMV
Sent from my iPhone using HondaGrom.net
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Good info, thx
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A little question here.....
Where is the pick up point for the speedo MPH reading?
Where is the pick up point for the speedo MPH reading?
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3,802 Posts
Pretty sure it is in the trans. If you change gearing and want to correct the speedo you are going to need to do it electronically. I used a Blue Monkey Speedo Healer on my jeep but I went from 30 to 35 inch tires so it was way off.
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325 Posts
Here's 5 dealers off the top of my head. Sorry to the site supporters I missed.
HARD RACING PERFORMANCE / HARD CORE SPORTS SHOPPING CART - JT 420 Front Steel Sprocket - Honda GROM / MSX 125
Honda Grom MSX 125 Front Sprocket
Honda Grom Front Sprocket | DROWsports
https://www.brocksperformance.com/Honda+C424.aspx
HONDA MSX125 GROM PARTS SPROCKETS CHAIN TIRES PEGS STUNT PEGS HANDBRAKE KIT AXLE SLIDERS honda,grom,honda grom,monkey,monkey bike,msx125,grom125
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