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03-08-2021, 07:10 PM | #1 |
Join Date: Oct 2020
Posts: 29
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Can I install aftermarket pipe without upgrading carb right off?
I ordered the exhaust but havent order the card and jets yet. I live in vt and am not sure what size jets are best for this area. I was going to get a pod filter but forgot to order it and none of the parts stores around sell them. What would happen if I install the exhaust without messing with my carb? So far I've done sprockets and chain upgrade and ngk plug. The bike has almost 150 miles on it (I know it's not broke in yet) and I max out at around 60. I'm not trying to beat on it to much till it's good and broke in. What's your thoughts? Also, I need advise on a shorter rear shock. I'm 5-6 and 135 lbs and can only touch the ground on my tip toes
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03-08-2021, 07:21 PM | #2 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Yes you can.. i installed the exhaust and still had the stock carb, i just tweaked the needle shims and main, but you may get away with it as is.. its when you change the intake that you really need to tweak the carb to compensate for more air coming in.
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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03-08-2021, 07:38 PM | #3 |
Join Date: Oct 2020
Posts: 29
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Ok cool. I do plan on doing air filter mod soon. But I will wait till I have the carb and jets before I do to much
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03-08-2021, 10:43 PM | #4 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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You don't necessarily have to upgrade anything. The stock carb is perfectly capable with just jetting and mixture changes.
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Hawk Information and Resource guide: http://www.chinariders.net/showthread.php?t=20331 2018 Hawk 250 - Full Mod list here. http://www.chinariders.net/showpost....62&postcount=1 2024 Royal Enfield Shotgun 650 https://chinariders.net/showthread.php?t=34124 |
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03-09-2021, 08:08 PM | #5 |
Join Date: Oct 2020
Posts: 29
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Ok, I can do the ole drelem trick and pop this one open right? I just put the exhaust on... i made it work in a way so it doesnt touch the air box but is 3/16 away from it... I know it probably will melt it. I'm going to call some bike shops tomorrow and see if anyone has pod filters. Then I just need to rejet it and adjust the carb. My main question is, is it normal for the exhaust where it comes off the engine to be almost glowing red? It obviously went away when I went down the road and back but when I first started it, it was red. Its WAY louder than stock which I dont mind. I like the sound and the feel of added hp even if it's very little. My dad on the other hand.... he HATES it. Lol.
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03-09-2021, 08:10 PM | #6 |
Join Date: Oct 2020
Posts: 29
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Also. What's everyone doing with the crank case vent? Just a small breather filter on the end of the hose?
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03-09-2021, 08:15 PM | #7 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Mine definitely did not glow red.. Not sure why that's happening on yours. It did change color and blue but that's to be expected.
When I installed the Bobbi Pod filter, I cut the forward side of the airbox to allow for clearance and then retained the crankcase line on the airbox I then used Nashau Foil tape to seal the airbox, not the prettiest but it's hidden behind a body panel so its all good
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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03-09-2021, 08:32 PM | #8 |
Join Date: Oct 2020
Posts: 29
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I'm trying to upload a picture of the exhaust but cant get it to load.
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03-09-2021, 08:51 PM | #9 |
Join Date: Oct 2020
Posts: 29
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I cant get the picture load. It's not cherry red but it's a little red. Only about 3 inches from cylinder head. I havent adjusted a thing other than valves. I noticed theres more backfire with this new exhaust but I'm guessing that's because it's more free flowing and more open inside.
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03-10-2021, 07:39 AM | #11 |
Join Date: Oct 2020
Posts: 29
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What jet would I need to start with at 427 above sea level?
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03-10-2021, 07:11 PM | #12 |
Join Date: Oct 2020
Posts: 29
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i orderd the new carb and jets today and will be in friday... going tomorrow to pick up the filter from a local shop. my buddy that does ddirtbike repair and races motocross is going to help me do the carb work and ill have him help me readjust the valves. i have 210 miles on it now. i sent him pictures of my spark plug and the one of the exhaust had he said its running extremely lean. the biggest downfall to all this is its gonna be low 60s friday. i work till 4. saturdays gonna be highs of low 30s and i have to go work on my bike all day saturday... so this week of warm temps is gone and it will be to cold to ride till it warms up again but atleast it will be dialed in!
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03-10-2021, 10:40 PM | #13 |
Join Date: Dec 2018
Location: PNW
Posts: 983
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Plenty of info on this forum to study about jetting. Just search. By the way what kind of bike do you have?
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03-12-2021, 05:06 PM | #15 |
Join Date: Oct 2020
Posts: 29
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So I got the carb and filters and jets today. I instantly put a 110 in and that made a huge difference. Extremely responsive throttle, bike isn't running hot that I can tell, instant startup, and WAY more power. It may be a little rich but it could also be that I forgot to turn on the kill switch and held the choke closed for a bit while in was trying to start it. So far so good. I took it for a rip and got 71 mph with a tail wind. My dad still hates the pipe lol.
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