MOPED ARMY

gas tank cap or bubbles in fuel line.

Graham: I pulled the filter out of the banjo and the passage way is looking good in the banjo but good thinking! Gas is flowing.

I’m wondering now if an air leak is causing my carb to loose vacuum. Gaskets are definitely ready to be replaced but I’m not sure that would effect the flow so drastically? (edited)

^bingo^air leak change out your crank seals, search for air leaks. You can test by enrichening your mix with extra gas, choking with your thumb, or tickling the tickler on your float bowl.

I know its a pain removing installing carb but adjusting the float to have a correct amount of fuel level is important.

I was working on a new bike this morning and my float level was just a little off and combined with a slightly roached float needle causing the carb not to fill. I agree to make sure the bowl is filling

just thought I'd let y'all know it was a bad condenser once again! I need to pick up a spare vw condenser to keep on hand. Thanks for all the help :-)

Roots. Check the carb float needle. Clean the jet area out really well. And if the needle head is bloated or warped in any way you will want to replace it.

The float can get stuck and not open fully and run the bowl dry at WOT. When off the gas it has time to refill the bowl enough to keep the bike running.

Roots to wings, I’m in the same boat! I thought I was all clear but once things get real hot like go top speed for a few miles my ped dies. It kinda starts to struggle more and more til it just stops and needs to chill for a few before it can start. Longer I wait the better it runs.

I think I’m overheating due to air leaks! It appears my techno circuit pipe is leaking where it mounts. Got some new gaskets coming in the mail and am gonna grind some fins a little for a better fit this weekend in hopes that I can make this thing road worthy again. Let me know if you solve your problem.

I once had a petcock, that the fuel flowed so slow, that has your same scenario. Worked slightly better on reserve. Also back to my original post gas cap, not venting.

Todays test. Installed 2nd new condenser and checked head and gaskets. I didn't get 50 feet past the end of my driveway. Walk of shame back up the driveway. Turns out my atomizer had vibrated so loose as to almost have dropped in the bowl. Checked the rest of the carb (always clean the jet) and tightened everything up and ripped at wot for 15 mins without issue. Longer test needed to see what happens when engine is warm on long run before I drop it for the rebuild. Proper position of petcock filter? I assume at same angle as tank rather than touching the top or bottom of tank inside. Also want to test 51 slide with the idle hole. Setup is Bing 15, 15, 2.17, 78, #1, clipped third from top, br6hs, metal mesh, mlm cali, 14x40. 42-43 mph top speed. I know it will go faster (but don't care to as forks and bottom end are untouched) with 16x40 or even 16x45 but clutch needs tuning (xstiff springs) and might need a new bell for proper bottom end. I love the sound and top end of the mlm cali, but the estoril hits harder, is more torquey, and has better bottom and mid range overall, but 2-3 mph slower up top. Have to try estoril again without rattling atomizer. Note that the both the estoril and cali pipe flanges had to be ground down fairly significantly to connect to Airsal exhaust port.