Bajaj Discover 135 DTSi Spare Parts Catalogue PDF: A Comprehensive Guide
The Bajaj Discover 135 DTSi is a popular commuter bike known for its reliability, fuel efficiency, and affordability. As with any vehicle, regular maintenance and replacement of worn-out parts are essential to ensure optimal performance and longevity. A spare parts catalogue is a valuable resource for owners, mechanics, and enthusiasts, providing a comprehensive list of parts and their corresponding diagrams.
Overview of the Bajaj Discover 135 DTSi
The Bajaj Discover 135 DTSi was launched in 2004 and was powered by a 135cc, single-cylinder, DTSi (Digital Twin Spark Ignition) engine. The bike was known for its smooth performance, decent fuel economy, and low maintenance costs. Although the bike has been discontinued, it still has a significant following among commuters and enthusiasts.
Importance of a Spare Parts Catalogue
A spare parts catalogue is essential for several reasons:
Bajaj Discover 135 DTSi Spare Parts Catalogue PDF
The Bajaj Discover 135 DTSi spare parts catalogue PDF typically includes the following sections:
Downloading the Spare Parts Catalogue PDF
The Bajaj Discover 135 DTSi spare parts catalogue PDF can be found through various sources:
Conclusion
The Bajaj Discover 135 DTSi spare parts catalogue PDF is a valuable resource for owners, mechanics, and enthusiasts. By providing a comprehensive list of parts and diagrams, it simplifies maintenance, repair, and replacement of worn-out parts. If you're a proud owner of this bike or a mechanic working on one, downloading the catalogue can help ensure your vehicle runs smoothly and efficiently.
For the Bajaj Discover 135 DTS-i , finding a specific spare parts catalogue is essential for identifying correct part numbers for engine components, body panels, and electrical systems. Direct Download & View Links
You can find the official or comprehensive parts guides for this specific model at the following locations:
Official Maintenance Schedule: A high-level maintenance and service guide is available directly on the Bajaj Auto Website.
Complete Parts Catalogue: A detailed 62-page provisional catalogue listing over 500 individual parts can be found on Scribd (Discover DTS-i 135).
Upgraded Model Catalogue: For the 2009 "Nitrox" version, refer to the Discover 135 UG SPC. Catalogue Structure & Key Components
The Bajaj spare parts numbering system typically uses an 8-digit format (e.g., 2-2-4 or 2-4-2 digits) to identify the model and specific part group. Engine & Transmission
Cylinder Head: Plate 1 covers the head assembly, including the tappet cover and rocker arms.
Piston & Crankshaft: Critical for engine overhauls; includes the connecting rod and piston ring kits.
Transmission: Detailed diagrams for the 4-speed or 5-speed gearbox assemblies, shift forks, and drums. Chassis & Electrical
Front Brake: Versions exist for both Drum and Disc Brake variants; ensure you check the correct Plate number (often Plate 31 or 33).
Electricals: Includes the Magneto, CDI unit, HT Coil, and the full wiring harness layout. bajaj discover 135 dtsi spare parts catalogue pdf
Body Parts: Lists for painted components (tank, fairing, side covers) and specific decal/sticker sets. Ordering Guidelines 🛠️
To ensure you receive the correct Genuine Bajaj Spares, follow these steps:
Locate the Plate: Use the Pictorial Index at the start of the PDF to find the relevant group (e.g., "Air Cleaner").
Verify Part Number: Match the figure in the drawing to the part number in the text table.
Check for Updates: Bajaj often issues "Service Circulars" that may update older part numbers for improved reliability.
Specify Color: If ordering body panels, you must provide the specific color shade or model year.
If you are currently performing a specific repair, I can help you find:
The exact part number for a specific component (like a clutch cable or gasket kit).
Compatible parts from other Discover models if the 135 version is out of stock. The torque specifications for engine reassembly. Discover 135 Spare Parts Catalogue | PDF | Clutch - Scribd
Bajaj Discover 135 DTS-i spare parts catalogue is available as a digital document designed to help owners and mechanics identify correct part numbers for maintenance and repairs. You can view or download official versions of this catalogue from platforms like Safexbikes Catalogue Contents & Structure
The catalogue is typically organised by engine and chassis systems, including exploded diagrams and corresponding part numbers: Engine Components
: Cylinder head, valves, camshaft, piston, crankshaft, and transmission gears. Chassis & Body
: Frame fittings, front/rear hubs, mudguards, seat assembly, and fuel tank. Electricals
: Magneto, CDI, wiring harness, headlamps, and indicator lights. Common Spare Parts & Pricing
Below are some frequently sought genuine parts for the Bajaj Discover 135 DTS-i: Go to product viewer dialog for this item. Discover 135 Speedometer Cable Bajaj Genuine Parts
Title: The Last Catalogue
Vikram had been a mechanic for twenty-two years. His domain was a single-bay garage called The Piston’s Rest, wedged between a chai stall and a defunct tube-light repair shop on the outskirts of Nagpur. He had rebuilt Royal Enfield bullets from the 70s, coaxed life out of dying two-stroke Chetaks, and once even resurrected a Honda Civic that had been submerged in a flood for three days.
But his nemesis, for the last six months, was a single vehicle.
A 2012 Bajaj Discover 135 DTS-i.
The bike belonged to a college student named Ananya. It was her late father’s. The engine made a noise like a spoon in a blender every time it crossed 4,000 rpm. Vikram had replaced the timing chain, adjusted the tappets, and even swapped the camshaft. Nothing worked.
One humid Thursday evening, with rain lashing the tin roof, Vikram sat defeated. The service manual he had—a dog-eared, grease-stained photocopy from 2011—was missing the exploded diagram for the digital twin spark ignition (DTS-i) variable valve actuation assembly.
“Main line se parts nahi mil rahe, beta,” he told Ananya. “The spare parts suppliers in the city only list the catalog for the 125 and 150. Your 135 is a ghost.” Bajaj Discover 135 DTSi Spare Parts Catalogue PDF:
Ananya didn’t cry. She simply took a sip of her cutting chai and said, “My father wasn’t a ghost. And neither is his bike.”
That night, she went home and opened her dusty HP laptop. She remembered her father mentioning once that Bajaj had released a Master Spare Parts Catalogue (MSPC) for the 135 DTS-i in late 2012, but only as a password-protected PDF on their dealer extranet. Most dealers had lost the login years ago.
She spent four hours scouring abandoned motorcycle forums, Russian torrent sites with Cyrillic text, and a dead link on the Internet Archive. Finally, buried in a 2014 backup of a now-defunct blog called DiscoverMileageAddicts, she found it: a 78.3 MB PDF file named Bajaj_Discover_135_DTSi_MSPC_Rev04.pdf.
The download took twenty minutes. When it opened, it wasn’t a scanned mess. It was a hyperlinked, vector-perfect explosion of every nut, bolt, bearing, and bushing. Page 47 was the jackpot: "VALVE TIMING & DTS-i COIL ASSEMBLY (K10 ENGINE)."
She printed only two pages—the exploded view and the part number list. Circle in hand, she highlighted:
The next morning, she slapped the printout on Vikram’s workbench. He wiped his hands on his denim overalls, squinted, and let out a low whistle.
“Yeh dekh,” he said, pointing. “The standard Discover uses a 3mm dowel pin to lock the camshaft. But your father’s 135 DTS-i—the early ones—they used a 3.5mm pin. The timing has been off by half a millimeter this whole time. The chain isn’t skipping. The pin is wrong.”
He didn’t need a new part. He needed a lathe. Vikram took a standard 4mm steel dowel, chucked it into his old manual lathe, and shaved it down to 3.5mm with a carbide tip that had belonged to his own father. He installed it, reassembled the top end, and torqued the head bolts to the exact diagram’s specification—22 Nm, not the 20 Nm he’d been using.
Ananya held her breath.
Vikram kicked the starter.
The Discover 135 fired up with a silky, rhythmic thrum that sounded like a contented panther. He revved it to 5,000, then 7,000. No rattle. No blender noise. Just the clean, efficient song of digital twin spark ignition doing exactly what it was designed to do.
Ananya smiled. Vikram closed the PDF on his scratched phone screen.
“Keep this file safe, beta,” he said, patting the tank of the Discover. “Service manuals are easy to forget. But some bikes… they only speak one language. And now we have the last dictionary.”
From that day on, Vikram renamed his garage’s shared cloud folder to Bajaj_Discover_135_DTSi_Resurrection. And any time a dealer told him a part was “no longer available,” he would pull up Page 47, point to the part number, and say, “Look again. It’s right here.”
The PDF never left his phone. And the little white Discover 135 DTS-i never made that sound again.
Finding an official PDF catalog for the discontinued Bajaj Discover 135 DTS-i
(phased out around 2020) can be tricky as the official site primarily hosts newer models. Official Resources
Bajaj provides digital tools and manuals that cover many older models:
Bajaj Genuine Parts App: This is the most reliable way to find model-specific parts and current pricing. Owner's Manuals: You can download the general Bajaj Discover Manual for basic maintenance and part identification.
Spare Parts Portal: The Bajaj Spares Page lists categories like "Fast Moving Parts" and "Genuine Lubricants." Essential Spare Parts
If you are looking for specific common replacements, these are the standard specs for the 135cc variant:
⚙️ Engine Oil: Typically 20W50 (1 Liter for drain/refill). 🛞 Tyres: Rear tyre size is usually 100/90 R17. Easy identification of parts : A catalogue helps
🛠️ Service Kit: Includes spark plugs, air filter, oil filter, and brake shoes. Direct Assistance
Since this specific catalog is rarely hosted as a direct PDF download on the main site anymore, you may need to contact Bajaj directly: Customer Care: +91 7219821111 (9 AM to 8 PM)
Dealer Locator: Use the Official Dealer Finder to visit a local service center that can order parts using the internal dealer catalog.
💡 Pro Tip: When searching on third-party sites, look for the Part Number (often printed on the old part) to ensure it fits the 135cc DTS-i specifically, as many parts from the Discover 100 or 125 are not cross-compatible. Order Genuine Spare Parts - Bajaj Auto
The Bajaj Discover 135 DTS-i Spare Parts Catalogue is the primary resource for owners and mechanics to identify genuine replacement parts. Since this model was discontinued in 2020, having the official PDF is essential for maintaining the bike’s performance. 🛠 Where to Find the Catalogue
Official and community-shared versions of the catalogue are available online:
Official Maintenance Chart: Bajaj Auto provides a maintenance and lubrication guide.
Full Parts Catalogues: Detailed PDFs with exploded diagrams and part numbers can be found on platforms like Scribd - Discover 135 SPC and Scribd - Discover DTS-i 135.
Digital Tools: The Bajaj Genuine Parts App allows for model-wise part searches and pricing. 📋 Key Sections of the Catalogue
The catalogue is organized into system-based "plates" to help you quickly find specific components:
The official Bajaj PDF is split into logical sections. When you download the right version, expect to find:
For over a decade, the Bajaj Discover 135 DTSi has been a staple on Asian and Latin American roads, revered for its fuel efficiency, refined engine, and comfortable ride quality. However, as these motorcycles age, finding the right component for a repair or restoration becomes a challenge. This is where the Bajaj Discover 135 DTSi Spare Parts Catalogue PDF transforms from a simple document into an indispensable workshop tool.
In this guide, we will explore everything you need to know about this catalogue: what it contains, why you need it, how to decode part numbers, and where to find a legitimate PDF version.
This report outlines the utility, structure, and availability of the spare parts catalogue for the Bajaj Discover 135 DTSi. While the model has been discontinued, the catalogue remains a critical resource for vehicle maintenance, restoration, and inventory management. This document details how to interpret the catalogue and identifies key component groups essential for the upkeep of this specific motorcycle model.
The Bajaj Discover 135 DTSi Spare Parts Catalogue PDF is more than a list of screws and springs; it is the DNA blueprint for one of the most reliable 135cc commuters ever built. Whether you are a DIY home mechanic fixing a leaking fork seal or a professional restoring a classic 2012 model for resale, having this PDF on your smartphone or laptop will save you hours of confusion and prevent costly wrong purchases.
Next Steps:
With this catalogue in hand, your Bajaj Discover 135 DTSi can run another 100,000 kilometers – one correct OEM part at a time.
Have you found a broken link or an updated version of this catalogue? Share the source in the comments below to help fellow Bajaj owners.
Title: The Ultimate Guide to the Bajaj Discover 135 DTSi Spare Parts Catalogue PDF
Introduction The Bajaj Discover 135 DTSi is one of those workhorse motorcycles that refuses to quit. Known for its incredible fuel efficiency (the "125cc ka petrol, 150cc ka power" era) and rugged reliability, it still commands a loyal following. However, as this bike ages, finding the right spare part becomes a game of patience.
Whether you are a DIY mechanic, a workshop owner, or a proud owner trying to keep your Discover alive, you need one holy grail document: The Bajaj Discover 135 DTSi Spare Parts Catalogue (PDF).
Here is everything you need to know about finding, reading, and using this catalogue.