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Hey there, new to TT. I have scavenged the internet for all possible answers to my problem. I recently purchase a 2003 CRF150f for my girlfriend. The bike ran but wouldn't idle. The guy claims he rebuilt the carb but had the bike sitting for 6 months or so. Got the bike home and tore the carb apart cleaned it all out. It has stock jetting by the way. Once I thoroughly cleaned the whole bike I put the carb back on and was able to get the bike idling with the fuel screw around 1.25 to 1.75 turns out. I was excited I got it to idle but couldn't get it to rev past idle. The rpms drop with the slightest twist of the throttle and the bike eventually dies. Looking to see if anyone has had a similar issue or would possibly have a solution. I still have the snorkel on the airbox but plan to remove it once I get the new jets I ordered. I picked up a 42 and 45 pilot jet, as well as a 112 and 115 main jet. It seems from everything I have read the 42/112 and 45/115 are the go to combinations with the snorkel removed. Thanks in advance for the help.
Hey fellow Pigriders! My stock carb broke, and it's a part that isn't sold without the whole carb assy so I've decided to upgrade to the Mikuni TM40 Flatslide carb. Q1: I've been doing some research and it sounds like I'm gonna have to de-snorkel the airbox. I've heard some people say not to, what do you guys think? I've put the Uni filter in already. Q2: do I need other carb mounting boots or airbox boot or will it fit the factory ones? Q3: What throttle cables do I need? Will stock work? Q4: is it worth it or should I just do Dave's Mod to a new stock carb? I assume it's worth it cuz stock broke out of nowhere. I'll add a pic if the broken part on stock carb while I'm at it. How does that break?? I was on the highway when it did so I assumed the bike overheated. My thoughts are old spring was stiff and being on the highway too long put strain on that piece and it failed, or a rock kicked up off the highway and only hit that piece.
Soon as most people get a factory bike the first thing they do is take out the snorkel (myself included). However the other day someone told me that having the snorkel on actually helps at altitude (I'm about 340m above sea lvl), I'm pretty sure this is bs, but who knows. Anyone heard this before?
Hi, I'd like to turn my UK 2004 DRZ400S back to stock airbox (snorkel) and jets, needle shim position etc When I bought it the PO had fitted a Sigma6 kit and done the 3x3 mod but is doesn't have a tapered needle like the JD and other kits. Took me ages to get it running right, however it still runs rich and I'm fed up of arsing around with it. So I've bought a standard airbox without 3x3 hole, stock exhaust. Q1 The Suzuki manual says this Mukuni BSR36 (29FA) carb should have a 142.5 Main Jet but the Clymer manual say its a 135. In UK everything's from sea level to 1000m. I'm in Sheffield so nothing gets above 500m even in the Peaks (Hills). Any UK owners or anyone else know what the correct jet should be? Q2 Says the original needle is a '5DH36-2nd'. The needle has 5 notches on it. Currently set at 2 clip from bottom. The Suzuki reference says needle is 5DH36-2nd, Does the 2nd bit mean 2nd from top or bottom? Q3 - Does anyone have a detailed photo of the shim order just in case it was assembled wrong. (mine is attached) I know most people on here are going to be horrified I'm taking back to stock but any help on above would be really appreciated. Thanks Timo