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The vacuum from the inlet manifold usually has a pipe connected to run fuel pumps, pair valves etc. The vacuum line from the carb usually runs to...
26mm carb, 125cc bike, no vacuum taps or petcocks . Question: I have a vacuum line which connects the carb directly to the intake manifold...
Hi, Finishing a 125cc rebuild, WK bike. Keihin 26mm carb, single exhaust to twin cans. Carb came with no jets so I've found some but the pilot...
I have finally finished a 125 rebuild and have got the engine running. The bike turns over and idles fine but dies as soon as I throttle up. I...
Plugs the colour of grey primer which is one step away from tan I think. I'm thinking it may be a fuel pump issue now. The gilera has a vacuum tap...
gilera dna50 was running okay but generally slow. I have fitted a 70cc kit, lowered the rollers from 5 to 4g which raised the rpm nicely to the...
Pipes from the manifold suggest a vacuum pipe. This is likely to be from a removed part so now redundant. Possibly have two hoses as they would...
Just don't get caught by your neighbour with a rubber square in one hand, Stanley blade in t'other standing by his cars flat tyre
Hard to tell but could be a spare vacuum line plugged after the removal of a pair valve or secondary air box or where a vacuum fuel tap was...
What about car tyre rubber cut to fit. Resistant, hard wearing, nylon infused.
Hi my lads gilera dna50 has now been treated to a 70cc cylinder. It already is unrestricted and is with a basic race exhaust so I reduced rollers...
Not really enough information for people to help you?! You have added a 70cc kit and exhaust so do you increase jet sizes and what size carb are...
Has it been running fine before? If so then what changes have you made since then? If none then start by cleaning fuel system out including carb...
Start with a bigger jet and air box. Sounds too lean. A 70cc kit needs the high volume of air but you need more fuel. The open air filter will run...
70 cc kits won't run on 12.5mm carbs so stick with the 17.5mm. Overheating is a common issue as the larger capacity cylinder requires a higher...
I hadn’t considered the choke, good suggestion. Unfortunately I don’t know the base jetting for this carb, it had 170 stamped on it so not the...
I got a 125cc project bike which ran but had issues. It wouldn't idle steadily and struggled to start but once running and warm it was okay. I put...
having swapped out the entire transmission system piece by piece and found that the bike still has the same issue I have figured it must be...
Gilera dna50 has had its issues but I've recently had a few weeks of excellent running. It has a pollini variator with 4gr weights, blue clutch...
+1 for the switch but are you sure its the pump that's causing the starter issue? Clearly it sounds like the pump is drawing voltage but have you...
